Index: drivers/net/tg3.c

Index: drivers/net/tg3.c
===================================================================
RCS file: /var/cvs/linux-2.5/drivers/net/tg3.c,v
retrieving revision 1.18
diff -u -p -r1.18 tg3.c
--- drivers/net/tg3.c 27 Jul 2003 19:55:44 -0000 1.18
+++ drivers/net/tg3.c 31 Jul 2003 11:12:10 -0000
@@ -5044,16 +5044,20 @@ static void tg3_set_rx_mode(struct net_d

#define TG3_REGDUMP_LEN (32 * 1024)

-static u8 *tg3_get_regs(struct tg3 *tp)
+static int tg3_get_regs_len(struct net_device *dev)
{
- u8 *orig_p = kmalloc(TG3_REGDUMP_LEN, GFP_KERNEL);
- u8 *p;
+ return TG3_REGDUMP_LEN;
+}
+
+static void tg3_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p)
+{
+ struct tg3 *tp = dev->priv;
+ u8 *orig_p = p;
int i;

- if (orig_p == NULL)
- return NULL;
+ regs->version = 0;

- memset(orig_p, 0, TG3_REGDUMP_LEN);
+ memset(p, 0, TG3_REGDUMP_LEN);

spin_lock_irq(&tp->lock);
spin_lock(&tp->tx_lock);
@@ -5107,388 +5111,261 @@ do { p = orig_p + (reg); \

spin_unlock(&tp->tx_lock);
spin_unlock_irq(&tp->lock);
-
- return orig_p;
}

-static int tg3_ethtool_ioctl (struct net_device *dev, void *useraddr)
+static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
struct tg3 *tp = dev->priv;
- struct pci_dev *pci_dev = tp->pdev;
- u32 ethcmd;

- if (copy_from_user (&ethcmd, useraddr, sizeof (ethcmd)))
- return -EFAULT;
-
- switch (ethcmd) {
- case ETHTOOL_GDRVINFO:{
- struct ethtool_drvinfo info = { ETHTOOL_GDRVINFO };
- strcpy (info.driver, DRV_MODULE_NAME);
- strcpy (info.version, DRV_MODULE_VERSION);
- memset(&info.fw_version, 0, sizeof(info.fw_version));
- strcpy (info.bus_info, pci_dev->slot_name);
- info.eedump_len = 0;
- info.regdump_len = TG3_REGDUMP_LEN;
- if (copy_to_user (useraddr, &info, sizeof (info)))
- return -EFAULT;
- return 0;
- }
+ if (!(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) ||
+ tp->link_config.phy_is_low_power)
+ return -EAGAIN;
+
+ cmd->supported = (SUPPORTED_Autoneg);
+
+ if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
+ cmd->supported |= (SUPPORTED_1000baseT_Half |
+ SUPPORTED_1000baseT_Full);
+
+ if (tp->phy_id != PHY_ID_SERDES)
+ cmd->supported |= (SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_10baseT_Half |
+ SUPPORTED_10baseT_Full |
+ SUPPORTED_MII);
+ else
+ cmd->supported |= SUPPORTED_FIBRE;

- case ETHTOOL_GSET: {
- struct ethtool_cmd cmd = { ETHTOOL_GSET };
+ cmd->advertising = tp->link_config.advertising;
+ cmd->speed = tp->link_config.active_speed;
+ cmd->duplex = tp->link_config.active_duplex;
+ cmd->port = 0;
+ cmd->phy_address = PHY_ADDR;
+ cmd->transceiver = 0;
+ cmd->autoneg = tp->link_config.autoneg;
+ cmd->maxtxpkt = 0;
+ cmd->maxrxpkt = 0;
+ return 0;
+}

- if (!(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) ||
- tp->link_config.phy_is_low_power)
- return -EAGAIN;
- cmd.supported = (SUPPORTED_Autoneg);
-
- if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
- cmd.supported |= (SUPPORTED_1000baseT_Half |
- SUPPORTED_1000baseT_Full);
-
- if (tp->phy_id != PHY_ID_SERDES)
- cmd.supported |= (SUPPORTED_100baseT_Half |
- SUPPORTED_100baseT_Full |
- SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full |
- SUPPORTED_MII);
- else
- cmd.supported |= SUPPORTED_FIBRE;
+static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+ struct tg3 *tp = dev->priv;

- cmd.advertising = tp->link_config.advertising;
- cmd.speed = tp->link_config.active_speed;
- cmd.duplex = tp->link_config.active_duplex;
- cmd.port = 0;
- cmd.phy_address = PHY_ADDR;
- cmd.transceiver = 0;
- cmd.autoneg = tp->link_config.autoneg;
- cmd.maxtxpkt = 0;
- cmd.maxrxpkt = 0;
- if (copy_to_user(useraddr, &cmd, sizeof(cmd)))
- return -EFAULT;
- return 0;
+ if (!(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) ||
+ tp->link_config.phy_is_low_power)
+ return -EAGAIN;
+
+ if (cmd->autoneg == AUTONEG_ENABLE) {
+ tp->link_config.advertising = cmd->advertising;
+ tp->link_config.speed = SPEED_INVALID;
+ tp->link_config.duplex = DUPLEX_INVALID;
+ } else {
+ tp->link_config.speed = cmd->speed;
+ tp->link_config.duplex = cmd->duplex;
}
- case ETHTOOL_SSET: {
- struct ethtool_cmd cmd;

- if (!(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) ||
- tp->link_config.phy_is_low_power)
- return -EAGAIN;
-
- if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
- return -EFAULT;
-
- /* Fiber PHY only supports 1000 full/half */
- if (cmd.autoneg == AUTONEG_ENABLE) {
- if (tp->phy_id == PHY_ID_SERDES &&
- (cmd.advertising &
- (ADVERTISED_10baseT_Half |
- ADVERTISED_10baseT_Full |
- ADVERTISED_100baseT_Half |
- ADVERTISED_100baseT_Full)))
- return -EINVAL;
- if ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
- (cmd.advertising &
- (ADVERTISED_1000baseT_Half |
- ADVERTISED_1000baseT_Full)))
- return -EINVAL;
- } else {
- if (tp->phy_id == PHY_ID_SERDES &&
- (cmd.speed == SPEED_10 ||
- cmd.speed == SPEED_100))
- return -EINVAL;
- if ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
- (cmd.speed == SPEED_10 ||
- cmd.speed == SPEED_100))
- return -EINVAL;
- }
-
- spin_lock_irq(&tp->lock);
- spin_lock(&tp->tx_lock);
-
- tp->link_config.autoneg = cmd.autoneg;
- if (cmd.autoneg == AUTONEG_ENABLE) {
- tp->link_config.advertising = cmd.advertising;
- tp->link_config.speed = SPEED_INVALID;
- tp->link_config.duplex = DUPLEX_INVALID;
- } else {
- tp->link_config.speed = cmd.speed;
- tp->link_config.duplex = cmd.duplex;
- }
+ tg3_setup_phy(tp);
+ spin_unlock(&tp->tx_lock);
+ spin_unlock_irq(&tp->lock);

- tg3_setup_phy(tp);
- spin_unlock(&tp->tx_lock);
- spin_unlock_irq(&tp->lock);
+ return 0;
+}

- return 0;
- }
+static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
+{
+ struct tg3 *tp = dev->priv;

- case ETHTOOL_GREGS: {
- struct ethtool_regs regs;
- u8 *regbuf;
- int ret;
-
- if (copy_from_user(&regs, useraddr, sizeof(regs)))
- return -EFAULT;
- if (regs.len > TG3_REGDUMP_LEN)
- regs.len = TG3_REGDUMP_LEN;
- regs.version = 0;
- if (copy_to_user(useraddr, &regs, sizeof(regs)))
- return -EFAULT;
-
- regbuf = tg3_get_regs(tp);
- if (!regbuf)
- return -ENOMEM;
-
- useraddr += offsetof(struct ethtool_regs, data);
- ret = 0;
- if (copy_to_user(useraddr, regbuf, regs.len))
- ret = -EFAULT;
- kfree(regbuf);
- return ret;
- }
- case ETHTOOL_GWOL: {
- struct ethtool_wolinfo wol = { ETHTOOL_GWOL };
-
- wol.supported = WAKE_MAGIC;
- wol.wolopts = 0;
- if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)
- wol.wolopts = WAKE_MAGIC;
- memset(&wol.sopass, 0, sizeof(wol.sopass));
- if (copy_to_user(useraddr, &wol, sizeof(wol)))
- return -EFAULT;
- return 0;
- }
- case ETHTOOL_SWOL: {
- struct ethtool_wolinfo wol;
+ strcpy(info->driver, DRV_MODULE_NAME);
+ strcpy(info->version, DRV_MODULE_VERSION);
+ strcpy(info->bus_info, pci_name(tp->pdev));
+}

- if (copy_from_user(&wol, useraddr, sizeof(wol)))
- return -EFAULT;
- if (wol.wolopts & ~WAKE_MAGIC)
- return -EINVAL;
- if ((wol.wolopts & WAKE_MAGIC) &&
- tp->phy_id == PHY_ID_SERDES &&
- !(tp->tg3_flags & TG3_FLAG_SERDES_WOL_CAP))
- return -EINVAL;
+static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
+{
+ struct tg3 *tp = dev->priv;

- spin_lock_irq(&tp->lock);
- if (wol.wolopts & WAKE_MAGIC)
- tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
- else
- tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
- spin_unlock_irq(&tp->lock);
+ wol->supported = WAKE_MAGIC;
+ wol->wolopts = 0;
+ if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)
+ wol->wolopts = WAKE_MAGIC;
+ memset(&wol->sopass, 0, sizeof(wol->sopass));
+}

- return 0;
- }
- case ETHTOOL_GMSGLVL: {
- struct ethtool_value edata = { ETHTOOL_GMSGLVL };
- edata.data = tp->msg_enable;
- if (copy_to_user(useraddr, &edata, sizeof(edata)))
- return -EFAULT;
- return 0;
- }
- case ETHTOOL_SMSGLVL: {
- struct ethtool_value edata;
- if (copy_from_user(&edata, useraddr, sizeof(edata)))
- return -EFAULT;
- tp->msg_enable = edata.data;
- return 0;
- }
- case ETHTOOL_NWAY_RST: {
- u32 bmcr;
- int r;
+static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
+{
+ struct tg3 *tp = dev->priv;

- spin_lock_irq(&tp->lock);
- tg3_readphy(tp, MII_BMCR, &bmcr);
- tg3_readphy(tp, MII_BMCR, &bmcr);
- r = -EINVAL;
- if (bmcr & BMCR_ANENABLE) {
- tg3_writephy(tp, MII_BMCR,
- bmcr | BMCR_ANRESTART);
- r = 0;
- }
- spin_unlock_irq(&tp->lock);
+ if (wol->wolopts & ~WAKE_MAGIC)
+ return -EINVAL;
+ if ((wol->wolopts & WAKE_MAGIC) &&
+ tp->phy_id == PHY_ID_SERDES &&
+ !(tp->tg3_flags & TG3_FLAG_SERDES_WOL_CAP))
+ return -EINVAL;

- return r;
- }
- case ETHTOOL_GLINK: {
- struct ethtool_value edata = { ETHTOOL_GLINK };
- edata.data = netif_carrier_ok(tp->dev) ? 1 : 0;
- if (copy_to_user(useraddr, &edata, sizeof(edata)))
- return -EFAULT;
- return 0;
- }
- case ETHTOOL_GRINGPARAM: {
- struct ethtool_ringparam ering = { ETHTOOL_GRINGPARAM };
+ spin_lock_irq(&tp->lock);
+ if (wol->wolopts & WAKE_MAGIC)
+ tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
+ else
+ tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
+ spin_unlock_irq(&tp->lock);

- ering.rx_max_pending = TG3_RX_RING_SIZE - 1;
- ering.rx_mini_max_pending = 0;
- ering.rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
-
- ering.rx_pending = tp->rx_pending;
- ering.rx_mini_pending = 0;
- ering.rx_jumbo_pending = tp->rx_jumbo_pending;
- ering.tx_pending = tp->tx_pending;
+ return 0;
+}

- if (copy_to_user(useraddr, &ering, sizeof(ering)))
- return -EFAULT;
- return 0;
- }
- case ETHTOOL_SRINGPARAM: {
- struct ethtool_ringparam ering;
+static u32 tg3_get_msglevel(struct net_device *dev)
+{
+ struct tg3 *tp = dev->priv;
+ return tp->msg_enable;
+}

- if (copy_from_user(&ering, useraddr, sizeof(ering)))
- return -EFAULT;
+static void tg3_set_msglevel(struct net_device *dev, u32 value)
+{
+ struct tg3 *tp = dev->priv;
+ tp->msg_enable = value;
+}

- if ((ering.rx_pending > TG3_RX_RING_SIZE - 1) ||
- (ering.rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
- (ering.tx_pending > TG3_TX_RING_SIZE - 1))
- return -EINVAL;
+static int tg3_nway_reset(struct net_device *dev)
+{
+ struct tg3 *tp = dev->priv;
+ u32 bmcr;
+ int r;

- tg3_netif_stop(tp);
- spin_lock_irq(&tp->lock);
- spin_lock(&tp->tx_lock);
+ spin_lock_irq(&tp->lock);
+ tg3_readphy(tp, MII_BMCR, &bmcr);
+ tg3_readphy(tp, MII_BMCR, &bmcr);
+ r = -EINVAL;
+ if (bmcr & BMCR_ANENABLE) {
+ tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART);
+ r = 0;
+ }
+ spin_unlock_irq(&tp->lock);

- tp->rx_pending = ering.rx_pending;
- tp->rx_jumbo_pending = ering.rx_jumbo_pending;
- tp->tx_pending = ering.tx_pending;
-
- tg3_halt(tp);
- tg3_init_rings(tp);
- tg3_init_hw(tp);
- netif_wake_queue(tp->dev);
- spin_unlock(&tp->tx_lock);
- spin_unlock_irq(&tp->lock);
- tg3_netif_start(tp);
+ return r;
+}

- return 0;
- }
- case ETHTOOL_GPAUSEPARAM: {
- struct ethtool_pauseparam epause = { ETHTOOL_GPAUSEPARAM };
+static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
+{
+ struct tg3 *tp = dev->priv;

- epause.autoneg =
- (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
- epause.rx_pause =
- (tp->tg3_flags & TG3_FLAG_PAUSE_RX) != 0;
- epause.tx_pause =
- (tp->tg3_flags & TG3_FLAG_PAUSE_TX) != 0;
- if (copy_to_user(useraddr, &epause, sizeof(epause)))
- return -EFAULT;
- return 0;
- }
- case ETHTOOL_SPAUSEPARAM: {
- struct ethtool_pauseparam epause;
+ ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
+ ering->rx_mini_max_pending = 0;
+ ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
+
+ ering->rx_pending = tp->rx_pending;
+ ering->rx_mini_pending = 0;
+ ering->rx_jumbo_pending = tp->rx_jumbo_pending;
+ ering->tx_pending = tp->tx_pending;
+}

- if (copy_from_user(&epause, useraddr, sizeof(epause)))
- return -EFAULT;
+static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
+{
+ struct tg3 *tp = dev->priv;

- tg3_netif_stop(tp);
- spin_lock_irq(&tp->lock);
- spin_lock(&tp->tx_lock);
- if (epause.autoneg)
- tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
- else
- tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
- if (epause.rx_pause)
- tp->tg3_flags |= TG3_FLAG_PAUSE_RX;
- else
- tp->tg3_flags &= ~TG3_FLAG_PAUSE_RX;
- if (epause.tx_pause)
- tp->tg3_flags |= TG3_FLAG_PAUSE_TX;
- else
- tp->tg3_flags &= ~TG3_FLAG_PAUSE_TX;
- tg3_halt(tp);
- tg3_init_rings(tp);
- tg3_init_hw(tp);
- spin_unlock(&tp->tx_lock);
- spin_unlock_irq(&tp->lock);
- tg3_netif_start(tp);
+ if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
+ (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
+ (ering->tx_pending > TG3_TX_RING_SIZE - 1))
+ return -EINVAL;

- return 0;
- }
- case ETHTOOL_GRXCSUM: {
- struct ethtool_value edata = { ETHTOOL_GRXCSUM };
+ tg3_netif_stop(tp);
+ spin_lock_irq(&tp->lock);
+ spin_lock(&tp->tx_lock);

- edata.data =
- (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
- if (copy_to_user(useraddr, &edata, sizeof(edata)))
- return -EFAULT;
- return 0;
- }
- case ETHTOOL_SRXCSUM: {
- struct ethtool_value edata;
+ tp->rx_pending = ering->rx_pending;
+ tp->rx_jumbo_pending = ering->rx_jumbo_pending;
+ tp->tx_pending = ering->tx_pending;
+
+ tg3_halt(tp);
+ tg3_init_rings(tp);
+ tg3_init_hw(tp);
+ netif_wake_queue(tp->dev);
+ spin_unlock(&tp->tx_lock);
+ spin_unlock_irq(&tp->lock);
+ tg3_netif_start(tp);

- if (copy_from_user(&edata, useraddr, sizeof(edata)))
- return -EFAULT;
+ return 0;
+}

- if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
- if (edata.data != 0)
- return -EINVAL;
- return 0;
- }
+static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
+{
+ struct tg3 *tp = dev->priv;

- spin_lock_irq(&tp->lock);
- if (edata.data)
- tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
- else
- tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
- spin_unlock_irq(&tp->lock);
+ epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
+ epause->rx_pause = (tp->tg3_flags & TG3_FLAG_PAUSE_RX) != 0;
+ epause->tx_pause = (tp->tg3_flags & TG3_FLAG_PAUSE_TX) != 0;
+}

- return 0;
- }
- case ETHTOOL_GTXCSUM: {
- struct ethtool_value edata = { ETHTOOL_GTXCSUM };
+static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
+{
+ struct tg3 *tp = dev->priv;

- edata.data =
- (tp->dev->features & NETIF_F_IP_CSUM) != 0;
- if (copy_to_user(useraddr, &edata, sizeof(edata)))
- return -EFAULT;
- return 0;
- }
- case ETHTOOL_STXCSUM: {
- struct ethtool_value edata;
+ tg3_netif_stop(tp);
+ spin_lock_irq(&tp->lock);
+ spin_lock(&tp->tx_lock);
+ if (epause->autoneg)
+ tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
+ else
+ tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
+ if (epause->rx_pause)
+ tp->tg3_flags |= TG3_FLAG_PAUSE_RX;
+ else
+ tp->tg3_flags &= ~TG3_FLAG_PAUSE_RX;
+ if (epause->tx_pause)
+ tp->tg3_flags |= TG3_FLAG_PAUSE_TX;
+ else
+ tp->tg3_flags &= ~TG3_FLAG_PAUSE_TX;
+ tg3_halt(tp);
+ tg3_init_rings(tp);
+ tg3_init_hw(tp);
+ spin_unlock(&tp->tx_lock);
+ spin_unlock_irq(&tp->lock);
+ tg3_netif_start(tp);

- if (copy_from_user(&edata, useraddr, sizeof(edata)))
- return -EFAULT;
+ return 0;
+}

- if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
- if (edata.data != 0)
- return -EINVAL;
- return 0;
- }
+static u32 tg3_get_rx_csum(struct net_device *dev)
+{
+ struct tg3 *tp = dev->priv;
+ return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
+}

- if (edata.data)
- tp->dev->features |= NETIF_F_IP_CSUM;
- else
- tp->dev->features &= ~NETIF_F_IP_CSUM;
+static int tg3_set_rx_csum(struct net_device *dev, u32 data)
+{
+ struct tg3 *tp = dev->priv;

+ if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
+ if (data != 0)
+ return -EINVAL;
return 0;
}
- case ETHTOOL_GSG: {
- struct ethtool_value edata = { ETHTOOL_GSG };

- edata.data =
- (tp->dev->features & NETIF_F_SG) != 0;
- if (copy_to_user(useraddr, &edata, sizeof(edata)))
- return -EFAULT;
- return 0;
- }
- case ETHTOOL_SSG: {
- struct ethtool_value edata;
+ spin_lock_irq(&tp->lock);
+ if (data)
+ tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
+ else
+ tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
+ spin_unlock_irq(&tp->lock);

- if (copy_from_user(&edata, useraddr, sizeof(edata)))
- return -EFAULT;
+ return 0;
+}

- if (edata.data)
- tp->dev->features |= NETIF_F_SG;
- else
- tp->dev->features &= ~NETIF_F_SG;
+static int tg3_set_tx_csum(struct net_device *dev, u32 data)
+{
+ struct tg3 *tp = dev->priv;

+ if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
+ if (data != 0)
+ return -EINVAL;
return 0;
}
- };

- return -EOPNOTSUPP;
+ if (data)
+ dev->features |= NETIF_F_IP_CSUM;
+ else
+ dev->features &= ~NETIF_F_IP_CSUM;
+
+ return 0;
}

static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
@@ -5498,8 +5375,6 @@ static int tg3_ioctl(struct net_device *
int err;

switch(cmd) {
- case SIOCETHTOOL:
- return tg3_ethtool_ioctl(dev, (void *) ifr->ifr_data);
case SIOCGMIIPHY:
data->phy_id = PHY_ADDR;

@@ -5563,6 +5438,30 @@ static void tg3_vlan_rx_kill_vid(struct
}
#endif

+static struct ethtool_ops tg3_ethtool_ops = {
+ .get_settings = tg3_get_settings,
+ .set_settings = tg3_set_settings,
+ .get_drvinfo = tg3_get_drvinfo,
+ .get_regs_len = tg3_get_regs_len,
+ .get_regs = tg3_get_regs,
+ .get_wol = tg3_get_wol,
+ .set_wol = tg3_set_wol,
+ .get_msglevel = tg3_get_msglevel,
+ .set_msglevel = tg3_set_msglevel,
+ .nway_reset = tg3_nway_reset,
+ .get_link = ethtool_op_get_link,
+ .get_ringparam = tg3_get_ringparam,
+ .set_ringparam = tg3_set_ringparam,
+ .get_pauseparam = tg3_get_pauseparam,
+ .set_pauseparam = tg3_set_pauseparam,
+ .get_rx_csum = tg3_get_rx_csum,
+ .set_rx_csum = tg3_set_rx_csum,
+ .get_tx_csum = ethtool_op_get_tx_csum,
+ .set_tx_csum = tg3_set_tx_csum,
+ .get_sg = ethtool_op_get_sg,
+ .set_sg = ethtool_op_set_sg,
+};
+
/* Chips other than 5700/5701 use the NVRAM for fetching info. */
static void __devinit tg3_nvram_init(struct tg3 *tp)
{
@@ -6825,6 +6724,7 @@ static int __devinit tg3_init_one(struct
dev->do_ioctl = tg3_ioctl;
dev->tx_timeout = tg3_tx_timeout;
dev->poll = tg3_poll;
+ dev->ethtool_ops = &tg3_ethtool_ops;
dev->weight = 64;
dev->watchdog_timeo = TG3_TX_TIMEOUT;
dev->change_mtu = tg3_change_mtu;
Index: include/linux/ethtool.h
===================================================================
RCS file: /var/cvs/linux-2.5/include/linux/ethtool.h,v
retrieving revision 1.6
diff -u -p -r1.6 ethtool.h
--- include/linux/ethtool.h 27 Jul 2003 19:56:10 -0000 1.6
+++ include/linux/ethtool.h 31 Jul 2003 13:39:51 -0000
@@ -12,6 +12,7 @@
#ifndef _LINUX_ETHTOOL_H
#define _LINUX_ETHTOOL_H

+#include <linux/types.h>

/* This should work for both 32 and 64 bit userland. */
struct ethtool_cmd {
@@ -97,7 +98,7 @@ struct ethtool_coalesce {
u32 rx_max_coalesced_frames;

/* Same as above two parameters, except that these values
- * apply while an IRQ is being services by the host. Not
+ * apply while an IRQ is being serviced by the host. Not
* all cards support this feature and the values are ignored
* in that case.
*/
@@ -119,7 +120,7 @@ struct ethtool_coalesce {
u32 tx_max_coalesced_frames;

/* Same as above two parameters, except that these values
- * apply while an IRQ is being services by the host. Not
+ * apply while an IRQ is being serviced by the host. Not
* all cards support this feature and the values are ignored
* in that case.
*/
@@ -248,6 +249,101 @@ struct ethtool_stats {
u32 cmd; /* ETHTOOL_GSTATS */
u32 n_stats; /* number of u64's being returned */
u64 data[0];
+};
+
+struct net_device;
+
+/* Some generic methods drivers may use in their ethtool_ops */
+u32 ethtool_op_get_link(struct net_device *dev);
+u32 ethtool_op_get_tx_csum(struct net_device *dev);
+u32 ethtool_op_get_sg(struct net_device *dev);
+int ethtool_op_set_sg(struct net_device *dev, u32 data);
+
+/**
+ * &ethtool_ops - Alter and report network device settings
+ * get_settings: Get device-specific settings
+ * set_settings: Set device-specific settings
+ * get_drvinfo: Report driver information
+ * get_regs: Get device registers
+ * get_wol: Report whether Wake-on-Lan is enabled
+ * set_wol: Turn Wake-on-Lan on or off
+ * get_msglevel: Report driver message level
+ * set_msglevel: Set driver message level
+ * nway_reset: Restart autonegotiation
+ * get_link: Get link status
+ * get_eeprom: Read data from the device EEPROM
+ * set_eeprom: Write data to the device EEPROM
+ * get_coalesce: Get interrupt coalescing parameters
+ * set_coalesce: Set interrupt coalescing parameters
+ * get_ringparam: Report ring sizes
+ * set_ringparam: Set ring sizes
+ * get_pauseparam: Report pause parameters
+ * set_pauseparam: Set pause paramters
+ * get_rx_csum: Report whether receive checksums are turned on or off
+ * set_rx_csum: Turn receive checksum on or off
+ * get_tx_csum: Report whether transmit checksums are turned on or off
+ * set_tx_csum: Turn transmit checksums on or off
+ * get_sg: Report whether scatter-gather is enabled
+ * set_sg: Turn scatter-gather on or off
+ * self_test: Run specified self-tests
+ * get_strings: Return a set of strings that describe the requested objects
+ * phys_id: Identify the device
+ * get_stats: Return statistics about the device
+ *
+ * Description:
+ *
+ * get_settings:
+ * @get_settings is passed an &ethtool_cmd to fill in. It returns
+ * an negative errno or zero.
+ *
+ * set_settings:
+ * @set_settings is passed an &ethtool_cmd and should attempt to set
+ * all the settings this device supports. It may return an error value
+ * if something goes wrong (otherwise 0).
+ *
+ * get_eeprom:
+ * Should fill in the magic field. Don't need to check len for zero
+ * or wraparound but must check offset + len < size. Fill in the data
+ * argument with the eeprom values from offset to offset + len. Update
+ * len to the amount read. Returns an error or zero.
+ *
+ * set_eeprom:
+ * Should validate the magic field. Don't need to check len for zero
+ * or wraparound but must check offset + len < size. Update len to
+ * the amount written. Returns an error or zero.
+ */
+struct 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)(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);
+ 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 *);
};

/* CMDs currently supported */
Index: include/linux/netdevice.h
===================================================================
RCS file: /var/cvs/linux-2.5/include/linux/netdevice.h,v
retrieving revision 1.16
diff -u -p -r1.16 netdevice.h
--- include/linux/netdevice.h 27 Jul 2003 19:56:10 -0000 1.16
+++ include/linux/netdevice.h 31 Jul 2003 13:06:23 -0000
@@ -43,6 +43,7 @@

struct divert_blk;
struct vlan_group;
+struct ethtool_ops;

#define HAVE_ALLOC_NETDEV /* feature macro: alloc_xxxdev
functions are available. */
@@ -300,6 +301,8 @@ struct net_device
* See <net/iw_handler.h> for details. Jean II */
struct iw_handler_def * wireless_handlers;

+ struct ethtool_ops *ethtool_ops;
+
/*
* This marks the end of the "visible" part of the structure. All
* fields hereafter are internal to the system, and may change at
@@ -485,7 +488,6 @@ struct packet_type
struct list_head list;
};

-
#include <linux/interrupt.h>
#include <linux/notifier.h>

@@ -633,6 +635,7 @@ extern int netif_rx(struct sk_buff *skb
#define HAVE_NETIF_RECEIVE_SKB 1
extern int netif_receive_skb(struct sk_buff *skb);
extern int dev_ioctl(unsigned int cmd, void *);
+extern int dev_ethtool(struct ifreq *);
extern unsigned dev_get_flags(const struct net_device *);
extern int dev_change_flags(struct net_device *, unsigned);
extern int dev_set_mtu(struct net_device *, int);
Index: net/core/Makefile
===================================================================
RCS file: /var/cvs/linux-2.5/net/core/Makefile,v
retrieving revision 1.10
diff -u -p -r1.10 Makefile
--- net/core/Makefile 27 Jul 2003 19:56:13 -0000 1.10
+++ net/core/Makefile 28 Jul 2003 15:25:22 -0000
@@ -6,8 +6,8 @@ obj-y := sock.o skbuff.o iovec.o datagra

obj-$(CONFIG_SYSCTL) += sysctl_net_core.o

-obj-y += flow.o dev.o net-sysfs.o dev_mcast.o dst.o neighbour.o \
- rtnetlink.o utils.o link_watch.o filter.o
+obj-y += flow.o dev.o ethtool.o net-sysfs.o dev_mcast.o dst.o \
+ neighbour.o rtnetlink.o utils.o link_watch.o filter.o

obj-$(CONFIG_NETFILTER) += netfilter.o
obj-$(CONFIG_NET_DIVERT) += dv.o
Index: net/core/dev.c
===================================================================
RCS file: /var/cvs/linux-2.5/net/core/dev.c,v
retrieving revision 1.24
diff -u -p -r1.24 dev.c
--- net/core/dev.c 27 Jul 2003 19:56:13 -0000 1.24
+++ net/core/dev.c 31 Jul 2003 12:59:22 -0000
@@ -2364,7 +2364,6 @@ static int dev_ifsioc(struct ifreq *ifr,
cmd == SIOCBONDSLAVEINFOQUERY ||
cmd == SIOCBONDINFOQUERY ||
cmd == SIOCBONDCHANGEACTIVE ||
- cmd == SIOCETHTOOL ||
cmd == SIOCGMIIPHY ||
cmd == SIOCGMIIREG ||
cmd == SIOCSMIIREG ||
@@ -2461,13 +2460,26 @@ int dev_ioctl(unsigned int cmd, void *ar
}
return ret;

+ case SIOCETHTOOL:
+ dev_load(ifr.ifr_name);
+ rtnl_lock();
+ ret = dev_ethtool(&ifr);
+ rtnl_unlock();
+ if (!ret) {
+ if (colon)
+ *colon = ':';
+ if (copy_to_user(arg, &ifr,
+ sizeof(struct ifreq)))
+ ret = -EFAULT;
+ }
+ return ret;
+
/*
* These ioctl calls:
* - require superuser power.
* - require strict serialization.
* - return a value
*/
- case SIOCETHTOOL:
case SIOCGMIIPHY:
case SIOCGMIIREG:
if (!capable(CAP_NET_ADMIN))
Index: net/core/ethtool.c
===================================================================
RCS file: net/core/ethtool.c
diff -N net/core/ethtool.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ net/core/ethtool.c 31 Jul 2003 13:47:26 -0000
@@ -0,0 +1,671 @@
+/*
+ * net/core/ethtool.c - Ethtool ioctl handler
+ * Copyright (c) 2003 Matthew Wilcox <[email protected]>
+ *
+ * This file is where we call all the ethtool_ops commands to get
+ * the information ethtool needs. We fall back to calling do_ioctl()
+ * for drivers which haven't been converted to ethtool_ops yet.
+ *
+ * It's GPL, stupid.
+ */
+
+#include <linux/errno.h>
+#include <linux/ethtool.h>
+#include <linux/netdevice.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_IP_CSUM) != 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;
+}
+
+/* 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 (!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 *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 *useraddr)
+{
+ struct ethtool_drvinfo info;
+ struct ethtool_ops *ops = dev->ethtool_ops;
+
+ if (!ops->get_drvinfo)
+ return -EOPNOTSUPP;
+
+ memset(&info, 0, sizeof(info));
+ info.cmd = ETHTOOL_GDRVINFO;
+ ops->get_drvinfo(dev, &info);
+
+ if (ops->self_test_count)
+ info.testinfo_len = ops->self_test_count(dev);
+ if (ops->get_stats_count)
+ info.n_stats = ops->get_stats_count(dev);
+ if (ops->get_regs_len)
+ info.regdump_len = ops->get_regs_len(dev);
+ /* XXX: eeprom? */
+
+ 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 = dev->ethtool_ops;
+ void *regbuf;
+ int reglen, ret;
+
+ if (!ops->get_regs || !ops->get_regs_len)
+ return -EOPNOTSUPP;
+
+ if (copy_from_user(&regs, 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, &regs, regbuf);
+
+ ret = -EFAULT;
+ if (copy_to_user(useraddr, &regs, 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 (!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 *useraddr)
+{
+ struct ethtool_wolinfo wol;
+
+ if (!dev->ethtool_ops->set_wol)
+ return -EOPNOTSUPP;
+
+ if (copy_from_user(&wol, useraddr, sizeof(wol)))
+ return -EFAULT;
+
+ return dev->ethtool_ops->set_wol(dev, &wol);
+}
+
+static int ethtool_get_msglevel(struct net_device *dev, char *useraddr)
+{
+ struct ethtool_value edata = { ETHTOOL_GMSGLVL };
+
+ if (!dev->ethtool_ops->get_msglevel)
+ return -EOPNOTSUPP;
+
+ edata.data = dev->ethtool_ops->get_msglevel(dev);
+
+ if (copy_to_user(useraddr, &edata, sizeof(edata)))
+ return -EFAULT;
+ return 0;
+}
+
+static int ethtool_set_msglevel(struct net_device *dev, char *useraddr)
+{
+ struct ethtool_value edata;
+
+ if (!dev->ethtool_ops->set_msglevel)
+ return -EOPNOTSUPP;
+
+ if (copy_from_user(&edata, useraddr, sizeof(edata)))
+ return -EFAULT;
+
+ dev->ethtool_ops->set_msglevel(dev, edata.data);
+ return 0;
+}
+
+static int ethtool_nway_reset(struct net_device *dev)
+{
+ if (!dev->ethtool_ops->nway_reset)
+ return -EOPNOTSUPP;
+
+ return dev->ethtool_ops->nway_reset(dev);
+}
+
+static int ethtool_get_link(struct net_device *dev, void *useraddr)
+{
+ struct ethtool_value edata = { ETHTOOL_GLINK };
+
+ if (!dev->ethtool_ops->get_link)
+ return -EOPNOTSUPP;
+
+ edata.data = dev->ethtool_ops->get_link(dev);
+
+ if (copy_to_user(useraddr, &edata, sizeof(edata)))
+ return -EFAULT;
+ return 0;
+}
+
+static int ethtool_get_eeprom(struct net_device *dev, void *useraddr)
+{
+ struct ethtool_eeprom eeprom;
+ u8 *data;
+ int len, ret;
+
+ if (!dev->ethtool_ops->get_eeprom)
+ return -EOPNOTSUPP;
+
+ if (copy_from_user(&eeprom, useraddr, sizeof(eeprom)))
+ return -EFAULT;
+
+ len = eeprom.len;
+ /* Check for wrap and zero */
+ if (eeprom.offset + len <= eeprom.offset)
+ return -EINVAL;
+
+ data = kmalloc(len, GFP_USER);
+ if (!data)
+ return -ENOMEM;
+
+ if (copy_from_user(data, useraddr + sizeof(eeprom), len))
+ return -EFAULT;
+
+ ret = dev->ethtool_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;
+ u8 *data;
+ int len, ret;
+
+ if (!dev->ethtool_ops->set_eeprom)
+ return -EOPNOTSUPP;
+
+ if (copy_from_user(&eeprom, useraddr, sizeof(eeprom)))
+ return -EFAULT;
+
+ len = eeprom.len;
+ /* Check for wrap and zero */
+ if (eeprom.offset + len <= eeprom.offset)
+ return -EINVAL;
+
+ data = kmalloc(len, GFP_USER);
+ if (!data)
+ return -ENOMEM;
+
+ if (copy_from_user(data, useraddr + sizeof(eeprom), len))
+ return -EFAULT;
+
+ ret = dev->ethtool_ops->set_eeprom(dev, &eeprom, data);
+ if (ret)
+ goto out;
+
+ if (copy_to_user(useraddr + sizeof(eeprom), data, 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 (!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 *useraddr)
+{
+ struct ethtool_coalesce coalesce;
+
+ if (!dev->ethtool_ops->get_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 *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 *useraddr)
+{
+ struct ethtool_ringparam ringparam;
+
+ if (!dev->ethtool_ops->get_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 *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 *useraddr)
+{
+ struct ethtool_pauseparam pauseparam;
+
+ if (!dev->ethtool_ops->get_pauseparam)
+ return -EOPNOTSUPP;
+
+ if (copy_from_user(&pauseparam, useraddr, sizeof(pauseparam)))
+ return -EFAULT;
+
+ return dev->ethtool_ops->set_pauseparam(dev, &pauseparam);
+}
+
+static int ethtool_get_rx_csum(struct net_device *dev, char *useraddr)
+{
+ struct ethtool_value edata = { ETHTOOL_GRXCSUM };
+
+ if (!dev->ethtool_ops->get_rx_csum)
+ return -EOPNOTSUPP;
+
+ edata.data = dev->ethtool_ops->get_rx_csum(dev);
+
+ if (copy_to_user(useraddr, &edata, sizeof(edata)))
+ return -EFAULT;
+ return 0;
+}
+
+static int ethtool_set_rx_csum(struct net_device *dev, char *useraddr)
+{
+ struct ethtool_value edata;
+
+ if (!dev->ethtool_ops->set_rx_csum)
+ return -EOPNOTSUPP;
+
+ if (copy_from_user(&edata, useraddr, sizeof(edata)))
+ return -EFAULT;
+
+ dev->ethtool_ops->set_rx_csum(dev, edata.data);
+ return 0;
+}
+
+static int ethtool_get_tx_csum(struct net_device *dev, char *useraddr)
+{
+ struct ethtool_value edata = { ETHTOOL_GTXCSUM };
+
+ if (!dev->ethtool_ops->get_tx_csum)
+ return -EOPNOTSUPP;
+
+ edata.data = dev->ethtool_ops->get_tx_csum(dev);
+
+ if (copy_to_user(useraddr, &edata, sizeof(edata)))
+ return -EFAULT;
+ return 0;
+}
+
+static int ethtool_set_tx_csum(struct net_device *dev, char *useraddr)
+{
+ struct ethtool_value edata;
+
+ if (!dev->ethtool_ops->set_tx_csum)
+ return -EOPNOTSUPP;
+
+ if (copy_from_user(&edata, useraddr, sizeof(edata)))
+ return -EFAULT;
+
+ return dev->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 (!dev->ethtool_ops->get_sg)
+ return -EOPNOTSUPP;
+
+ edata.data = dev->ethtool_ops->get_sg(dev);
+
+ if (copy_to_user(useraddr, &edata, sizeof(edata)))
+ return -EFAULT;
+ return 0;
+}
+
+static int ethtool_set_sg(struct net_device *dev, char *useraddr)
+{
+ struct ethtool_value edata;
+
+ if (!dev->ethtool_ops->set_sg)
+ return -EOPNOTSUPP;
+
+ if (copy_from_user(&edata, useraddr, sizeof(edata)))
+ return -EFAULT;
+
+ return dev->ethtool_ops->set_sg(dev, edata.data);
+}
+
+static int ethtool_self_test(struct net_device *dev, char *useraddr)
+{
+ struct ethtool_test test;
+ struct ethtool_ops *ops = dev->ethtool_ops;
+ u64 *data;
+ int ret;
+
+ if (!ops->self_test || !ops->self_test_count)
+ return -EOPNOTSUPP;
+
+ if (copy_from_user(&test, useraddr, sizeof(test)))
+ return -EFAULT;
+
+ test.len = ops->self_test_count(dev);
+ data = kmalloc(test.len * sizeof(u64), GFP_USER);
+ if (!data)
+ return -ENOMEM;
+
+ ops->self_test(dev, &test, data);
+
+ ret = -EFAULT;
+ if (copy_to_user(useraddr, &test, sizeof(test)))
+ goto out;
+ useraddr += sizeof(test);
+ if (copy_to_user(useraddr, data, test.len * sizeof(u64)))
+ goto out;
+ ret = 0;
+
+ out:
+ kfree(data);
+ return ret;
+}
+
+static int ethtool_get_strings(struct net_device *dev, void *useraddr)
+{
+ struct ethtool_gstrings gstrings;
+ struct ethtool_ops *ops = dev->ethtool_ops;
+ u8 *data;
+ int ret;
+
+ if (!ops->get_strings)
+ return -EOPNOTSUPP;
+
+ if (copy_from_user(&gstrings, useraddr, sizeof(gstrings)))
+ return -EFAULT;
+
+ switch (gstrings.string_set) {
+ case ETH_SS_TEST:
+ if (ops->self_test_count)
+ gstrings.len = ops->self_test_count(dev);
+ else
+ return -EOPNOTSUPP;
+ case ETH_SS_STATS:
+ if (ops->get_stats_count)
+ gstrings.len = ops->get_stats_count(dev);
+ else
+ return -EOPNOTSUPP;
+ 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 (!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 *useraddr)
+{
+ struct ethtool_stats stats;
+ struct ethtool_ops *ops = dev->ethtool_ops;
+ u64 *data;
+ int ret;
+
+ if (!ops->get_ethtool_stats || !ops->get_stats_count)
+ return -EOPNOTSUPP;
+
+ if (copy_from_user(&stats, useraddr, sizeof(stats)))
+ return -EFAULT;
+
+ stats.n_stats = ops->get_stats_count(dev);
+ data = kmalloc(stats.n_stats * sizeof(u64), GFP_USER);
+ if (!data)
+ return -ENOMEM;
+
+ ops->get_ethtool_stats(dev, &stats, data);
+
+ ret = -EFAULT;
+ if (copy_to_user(useraddr, &stats, sizeof(stats)))
+ goto out;
+ useraddr += sizeof(stats);
+ if (copy_to_user(useraddr, data, stats.n_stats * sizeof(u64)))
+ goto out;
+ ret = 0;
+
+ out:
+ kfree(data);
+ return ret;
+}
+
+/* The main entry point in this file. Called from net/core/dev.c */
+
+int dev_ethtool(struct ifreq *ifr)
+{
+ struct net_device *dev = __dev_get_by_name(ifr->ifr_name);
+ void *useraddr = (void *) ifr->ifr_data;
+ u32 ethcmd;
+
+ /*
+ * XXX: This can be pushed down into the ethtool_* handlers that
+ * need it. Keep existing behaviour for the moment.
+ */
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
+ if (!dev || !netif_device_present(dev))
+ return -ENODEV;
+
+ if (!dev->ethtool_ops)
+ goto ioctl;
+
+ if (copy_from_user(&ethcmd, 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_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;
+ }
+
+ ioctl:
+ if (dev->do_ioctl)
+ return dev->do_ioctl(dev, ifr, SIOCETHTOOL);
+ return -EOPNOTSUPP;
+}