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ethtool: Provide a default implementation of ethtool_ops::get_drvinfo

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The driver name and bus address for a net_device can normally be found
through the driver model now.  Instead of requiring drivers to provide
this information redundantly through the ethtool_ops::get_drvinfo
operation, use the driver model to do so if the driver does not define
the operation.  Since ETHTOOL_GDRVINFO no longer requires the driver
to implement any operations, do not require net_device::ethtool_ops to
be set either.

Remove implementations of get_drvinfo and ethtool_ops that provide
only this information.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings 2010-08-17 02:31:15 -07:00 committed by David S. Miller
parent bb8a10bbd1
commit 0141480205
17 changed files with 23 additions and 208 deletions
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13
drivers/firewire/net.c
View File

@ -8,7 +8,6 @@
#include <linux/bug.h>
#include <linux/device.h>
#include <linux/ethtool.h>
#include <linux/firewire.h>
#include <linux/firewire-constants.h>
#include <linux/highmem.h>
@ -1359,17 +1358,6 @@ static int fwnet_change_mtu(struct net_device *net, int new_mtu)
return 0;
}
static void fwnet_get_drvinfo(struct net_device *net,
struct ethtool_drvinfo *info)
{
strcpy(info->driver, KBUILD_MODNAME);
strcpy(info->bus_info, "ieee1394");
}
static const struct ethtool_ops fwnet_ethtool_ops = {
.get_drvinfo = fwnet_get_drvinfo,
};
static const struct net_device_ops fwnet_netdev_ops = {
.ndo_open = fwnet_open,
.ndo_stop = fwnet_stop,
@ -1388,7 +1376,6 @@ static void fwnet_init_dev(struct net_device *net)
net->hard_header_len = FWNET_HLEN;
net->type = ARPHRD_IEEE1394;
net->tx_queue_len = 10;
SET_ETHTOOL_OPS(net, &fwnet_ethtool_ops);
}
/* caller must hold fwnet_device_mutex */

16
drivers/ieee1394/eth1394.c
View File

@ -58,7 +58,6 @@
#include <linux/tcp.h>
#include <linux/skbuff.h>
#include <linux/bitops.h>
#include <linux/ethtool.h>
#include <asm/uaccess.h>
#include <asm/delay.h>
#include <asm/unaligned.h>
@ -173,8 +172,6 @@ static netdev_tx_t ether1394_tx(struct sk_buff *skb,
struct net_device *dev);
static void ether1394_iso(struct hpsb_iso *iso);
static const struct ethtool_ops ethtool_ops;
static int ether1394_write(struct hpsb_host *host, int srcid, int destid,
quadlet_t *data, u64 addr, size_t len, u16 flags);
static void ether1394_add_host(struct hpsb_host *host);
@ -525,8 +522,6 @@ static void ether1394_init_dev(struct net_device *dev)
dev->header_ops = &ether1394_header_ops;
dev->netdev_ops = &ether1394_netdev_ops;
SET_ETHTOOL_OPS(dev, &ethtool_ops);
dev->watchdog_timeo = ETHER1394_TIMEOUT;
dev->flags = IFF_BROADCAST | IFF_MULTICAST;
dev->features = NETIF_F_HIGHDMA;
@ -1695,17 +1690,6 @@ fail:
return NETDEV_TX_OK;
}
static void ether1394_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
strcpy(info->driver, driver_name);
strcpy(info->bus_info, "ieee1394"); /* FIXME provide more detail? */
}
static const struct ethtool_ops ethtool_ops = {
.get_drvinfo = ether1394_get_drvinfo
};
static int __init ether1394_init_module(void)
{
int err;

7
drivers/net/bmac.c
View File

@ -1233,15 +1233,8 @@ static void bmac_reset_and_enable(struct net_device *dev)
}
spin_unlock_irqrestore(&bp->lock, flags);
}
static void bmac_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
struct bmac_data *bp = netdev_priv(dev);
strcpy(info->driver, "bmac");
strcpy(info->bus_info, dev_name(&bp->mdev->ofdev.dev));
}
static const struct ethtool_ops bmac_ethtool_ops = {
.get_drvinfo = bmac_get_drvinfo,
.get_link = ethtool_op_get_link,
};

6
drivers/net/fec_mpc52xx.c
View File

@ -771,11 +771,6 @@ static void mpc52xx_fec_reset(struct net_device *dev)
/* ethtool interface */
static void mpc52xx_fec_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
strcpy(info->driver, DRIVER_NAME);
}
static int mpc52xx_fec_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
@ -810,7 +805,6 @@ static void mpc52xx_fec_set_msglevel(struct net_device *dev, u32 level)
}
static const struct ethtool_ops mpc52xx_fec_ethtool_ops = {
.get_drvinfo = mpc52xx_fec_get_drvinfo,
.get_settings = mpc52xx_fec_get_settings,
.set_settings = mpc52xx_fec_set_settings,
.get_link = ethtool_op_get_link,

16
drivers/net/pasemi_mac_ethtool.c
View File

@ -90,21 +90,6 @@ pasemi_mac_ethtool_set_settings(struct net_device *netdev,
return phy_ethtool_sset(phydev, cmd);
}
static void
pasemi_mac_ethtool_get_drvinfo(struct net_device *netdev,
struct ethtool_drvinfo *drvinfo)
{
struct pasemi_mac *mac;
mac = netdev_priv(netdev);
/* clear and fill out info */
memset(drvinfo, 0, sizeof(struct ethtool_drvinfo));
strncpy(drvinfo->driver, "pasemi_mac", 12);
strcpy(drvinfo->version, "N/A");
strcpy(drvinfo->fw_version, "N/A");
strncpy(drvinfo->bus_info, pci_name(mac->pdev), 32);
}
static u32
pasemi_mac_ethtool_get_msglevel(struct net_device *netdev)
{
@ -164,7 +149,6 @@ static void pasemi_mac_get_strings(struct net_device *netdev, u32 stringset,
const struct ethtool_ops pasemi_mac_ethtool_ops = {
.get_settings = pasemi_mac_ethtool_get_settings,
.set_settings = pasemi_mac_ethtool_set_settings,
.get_drvinfo = pasemi_mac_ethtool_get_drvinfo,
.get_msglevel = pasemi_mac_ethtool_get_msglevel,
.set_msglevel = pasemi_mac_ethtool_set_msglevel,
.get_link = ethtool_op_get_link,

13
drivers/net/pcmcia/3c574_cs.c
View File

@ -83,7 +83,6 @@ earlier 3Com products.
#include <linux/skbuff.h>
#include <linux/if_arp.h>
#include <linux/ioport.h>
#include <linux/ethtool.h>
#include <linux/bitops.h>
#include <linux/mii.h>
@ -238,7 +237,6 @@ static int el3_rx(struct net_device *dev, int worklimit);
static int el3_close(struct net_device *dev);
static void el3_tx_timeout(struct net_device *dev);
static int el3_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
static const struct ethtool_ops netdev_ethtool_ops;
static void set_rx_mode(struct net_device *dev);
static void set_multicast_list(struct net_device *dev);
@ -285,7 +283,6 @@ static int tc574_probe(struct pcmcia_device *link)
link->conf.ConfigIndex = 1;
dev->netdev_ops = &el3_netdev_ops;
SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
dev->watchdog_timeo = TX_TIMEOUT;
return tc574_config(link);
@ -1065,16 +1062,6 @@ static int el3_rx(struct net_device *dev, int worklimit)
return worklimit;
}
static void netdev_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
strcpy(info->driver, "3c574_cs");
}
static const struct ethtool_ops netdev_ethtool_ops = {
.get_drvinfo = netdev_get_drvinfo,
};
/* Provide ioctl() calls to examine the MII xcvr state. */
static int el3_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{

13
drivers/net/pcmcia/axnet_cs.c
View File

@ -32,7 +32,6 @@
#include <linux/timer.h>
#include <linux/delay.h>
#include <linux/spinlock.h>
#include <linux/ethtool.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/crc32.h>
@ -86,7 +85,6 @@ static netdev_tx_t axnet_start_xmit(struct sk_buff *skb,
static struct net_device_stats *get_stats(struct net_device *dev);
static void set_multicast_list(struct net_device *dev);
static void axnet_tx_timeout(struct net_device *dev);
static const struct ethtool_ops netdev_ethtool_ops;
static irqreturn_t ei_irq_wrapper(int irq, void *dev_id);
static void ei_watchdog(u_long arg);
static void axnet_reset_8390(struct net_device *dev);
@ -171,7 +169,6 @@ static int axnet_probe(struct pcmcia_device *link)
dev->netdev_ops = &axnet_netdev_ops;
SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
dev->watchdog_timeo = TX_TIMEOUT;
return axnet_config(link);
@ -658,16 +655,6 @@ reschedule:
add_timer(&info->watchdog);
}
static void netdev_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
strcpy(info->driver, "axnet_cs");
}
static const struct ethtool_ops netdev_ethtool_ops = {
.get_drvinfo = netdev_get_drvinfo,
};
/*====================================================================*/
static int axnet_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)

13
drivers/net/pcmcia/ibmtr_cs.c
View File

@ -52,7 +52,6 @@
#include <linux/string.h>
#include <linux/timer.h>
#include <linux/module.h>
#include <linux/ethtool.h>
#include <linux/netdevice.h>
#include <linux/trdevice.h>
#include <linux/ibmtr.h>
@ -107,16 +106,6 @@ typedef struct ibmtr_dev_t {
struct tok_info *ti;
} ibmtr_dev_t;
static void netdev_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
strcpy(info->driver, "ibmtr_cs");
}
static const struct ethtool_ops netdev_ethtool_ops = {
.get_drvinfo = netdev_get_drvinfo,
};
static irqreturn_t ibmtr_interrupt(int irq, void *dev_id) {
ibmtr_dev_t *info = dev_id;
struct net_device *dev = info->dev;
@ -159,8 +148,6 @@ static int __devinit ibmtr_attach(struct pcmcia_device *link)
info->dev = dev;
SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
return ibmtr_config(link);
} /* ibmtr_attach */

16
drivers/net/pcmcia/pcnet_cs.c
View File

@ -35,7 +35,6 @@
#include <linux/string.h>
#include <linux/timer.h>
#include <linux/delay.h>
#include <linux/ethtool.h>
#include <linux/netdevice.h>
#include <linux/log2.h>
#include <linux/etherdevice.h>
@ -100,7 +99,6 @@ static void pcnet_release(struct pcmcia_device *link);
static int pcnet_open(struct net_device *dev);
static int pcnet_close(struct net_device *dev);
static int ei_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
static const struct ethtool_ops netdev_ethtool_ops;
static irqreturn_t ei_irq_wrapper(int irq, void *dev_id);
static void ei_watchdog(u_long arg);
static void pcnet_reset_8390(struct net_device *dev);
@ -628,8 +626,6 @@ static int pcnet_config(struct pcmcia_device *link)
ei_status.word16 = 1;
ei_status.reset_8390 = &pcnet_reset_8390;
SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
if (info->flags & (IS_DL10019|IS_DL10022))
mii_phy_probe(dev);
@ -1143,18 +1139,6 @@ reschedule:
/*====================================================================*/
static void netdev_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
strcpy(info->driver, "pcnet_cs");
}
static const struct ethtool_ops netdev_ethtool_ops = {
.get_drvinfo = netdev_get_drvinfo,
};
/*====================================================================*/
static int ei_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{

11
drivers/net/sc92031.c
View File

@ -1251,16 +1251,6 @@ static int sc92031_ethtool_set_settings(struct net_device *dev,
return 0;
}
static void sc92031_ethtool_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *drvinfo)
{
struct sc92031_priv *priv = netdev_priv(dev);
struct pci_dev *pdev = priv->pdev;
strcpy(drvinfo->driver, SC92031_NAME);
strcpy(drvinfo->bus_info, pci_name(pdev));
}
static void sc92031_ethtool_get_wol(struct net_device *dev,
struct ethtool_wolinfo *wolinfo)
{
@ -1382,7 +1372,6 @@ static void sc92031_ethtool_get_ethtool_stats(struct net_device *dev,
static const struct ethtool_ops sc92031_ethtool_ops = {
.get_settings = sc92031_ethtool_get_settings,
.set_settings = sc92031_ethtool_set_settings,
.get_drvinfo = sc92031_ethtool_get_drvinfo,
.get_wol = sc92031_ethtool_get_wol,
.set_wol = sc92031_ethtool_set_wol,
.nway_reset = sc92031_ethtool_nway_reset,

15
drivers/net/tulip/xircom_cb.c
View File

@ -29,7 +29,6 @@
#include <linux/skbuff.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/ethtool.h>
#include <linux/bitops.h>
#include <asm/uaccess.h>
@ -181,19 +180,6 @@ static void print_binary(unsigned int number)
}
#endif
static void netdev_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
struct xircom_private *private = netdev_priv(dev);
strcpy(info->driver, "xircom_cb");
strcpy(info->bus_info, pci_name(private->pdev));
}
static const struct ethtool_ops netdev_ethtool_ops = {
.get_drvinfo = netdev_get_drvinfo,
};
static const struct net_device_ops netdev_ops = {
.ndo_open = xircom_open,
.ndo_stop = xircom_close,
@ -279,7 +265,6 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_
setup_descriptors(private);
dev->netdev_ops = &netdev_ops;
SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
pci_set_drvdata(pdev, dev);
if (register_netdev(dev)) {

9
drivers/net/usb/hso.c
View File

@ -843,16 +843,7 @@ static netdev_tx_t hso_net_start_xmit(struct sk_buff *skb,
return NETDEV_TX_OK;
}
static void hso_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info)
{
struct hso_net *odev = netdev_priv(net);
strncpy(info->driver, driver_name, ETHTOOL_BUSINFO_LEN);
usb_make_path(odev->parent->usb, info->bus_info, sizeof info->bus_info);
}
static const struct ethtool_ops ops = {
.get_drvinfo = hso_get_drvinfo,
.get_link = ethtool_op_get_link
};

9
drivers/net/usb/kaweth.c
View File

@ -759,14 +759,6 @@ static int kaweth_close(struct net_device *net)
return 0;
}
static void kaweth_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
struct kaweth_device *kaweth = netdev_priv(dev);
strlcpy(info->driver, driver_name, sizeof(info->driver));
usb_make_path(kaweth->dev, info->bus_info, sizeof (info->bus_info));
}
static u32 kaweth_get_link(struct net_device *dev)
{
struct kaweth_device *kaweth = netdev_priv(dev);
@ -775,7 +767,6 @@ static u32 kaweth_get_link(struct net_device *dev)
}
static const struct ethtool_ops ops = {
.get_drvinfo = kaweth_get_drvinfo,
.get_link = kaweth_get_link
};

14
drivers/net/virtio_net.c
View File

@ -705,19 +705,6 @@ static int virtnet_close(struct net_device *dev)
return 0;
}
static void virtnet_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *drvinfo)
{
struct virtnet_info *vi = netdev_priv(dev);
struct virtio_device *vdev = vi->vdev;
strncpy(drvinfo->driver, KBUILD_MODNAME, ARRAY_SIZE(drvinfo->driver));
strncpy(drvinfo->version, "N/A", ARRAY_SIZE(drvinfo->version));
strncpy(drvinfo->fw_version, "N/A", ARRAY_SIZE(drvinfo->fw_version));
strncpy(drvinfo->bus_info, dev_name(&vdev->dev),
ARRAY_SIZE(drvinfo->bus_info));
}
static int virtnet_set_tx_csum(struct net_device *dev, u32 data)
{
struct virtnet_info *vi = netdev_priv(dev);
@ -830,7 +817,6 @@ static void virtnet_vlan_rx_kill_vid(struct net_device *dev, u16 vid)
}
static const struct ethtool_ops virtnet_ethtool_ops = {
.get_drvinfo = virtnet_get_drvinfo,
.set_tx_csum = virtnet_set_tx_csum,
.set_sg = ethtool_op_set_sg,
.set_tso = ethtool_op_set_tso,

16
drivers/net/wireless/ray_cs.c
View File

@ -43,7 +43,6 @@
#include <linux/if_arp.h>
#include <linux/ioport.h>
#include <linux/skbuff.h>
#include <linux/ethtool.h>
#include <linux/ieee80211.h>
#include <pcmcia/cs.h>
@ -80,8 +79,6 @@ static int ray_dev_config(struct net_device *dev, struct ifmap *map);
static struct net_device_stats *ray_get_stats(struct net_device *dev);
static int ray_dev_init(struct net_device *dev);
static const struct ethtool_ops netdev_ethtool_ops;
static int ray_open(struct net_device *dev);
static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb,
struct net_device *dev);
@ -333,7 +330,6 @@ static int ray_probe(struct pcmcia_device *p_dev)
/* Raylink entries in the device structure */
dev->netdev_ops = &ray_netdev_ops;
SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
dev->wireless_handlers = &ray_handler_def;
#ifdef WIRELESS_SPY
local->wireless_data.spy_data = &local->spy_data;
@ -1062,18 +1058,6 @@ AP to AP 1 1 dest AP src AP dest source
}
} /* end encapsulate_frame */
/*===========================================================================*/
static void netdev_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
strcpy(info->driver, "ray_cs");
}
static const struct ethtool_ops netdev_ethtool_ops = {
.get_drvinfo = netdev_get_drvinfo,
};
/*====================================================================*/
/*------------------------------------------------------------------*/

11
drivers/net/wireless/wl3501_cs.c
View File

@ -29,7 +29,6 @@
#include <linux/delay.h>
#include <linux/types.h>
#include <linux/ethtool.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/in.h>
@ -1411,15 +1410,6 @@ static struct iw_statistics *wl3501_get_wireless_stats(struct net_device *dev)
return wstats;
}
static void wl3501_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
strlcpy(info->driver, "wl3501_cs", sizeof(info->driver));
}
static const struct ethtool_ops ops = {
.get_drvinfo = wl3501_get_drvinfo
};
/**
* wl3501_detach - deletes a driver "instance"
* @link - FILL_IN
@ -1905,7 +1895,6 @@ static int wl3501_probe(struct pcmcia_device *p_dev)
this->p_dev = p_dev;
dev->wireless_data = &this->wireless_data;
dev->wireless_handlers = &wl3501_handler_def;
SET_ETHTOOL_OPS(dev, &ops);
netif_stop_queue(dev);
p_dev->priv = dev;

31
net/core/ethtool.c
View File

@ -205,18 +205,24 @@ static noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev,
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;
if (ops && ops->get_drvinfo) {
ops->get_drvinfo(dev, &info);
} else if (dev->dev.parent && dev->dev.parent->driver) {
strlcpy(info.bus_info, dev_name(dev->dev.parent),
sizeof(info.bus_info));
strlcpy(info.driver, dev->dev.parent->driver->name,
sizeof(info.driver));
} else {
return -EOPNOTSUPP;
}
/*
* this method of obtaining string set info is deprecated;
* Use ETHTOOL_GSSET_INFO instead.
*/
if (ops->get_sset_count) {
if (ops && ops->get_sset_count) {
int rc;
rc = ops->get_sset_count(dev, ETH_SS_TEST);
@ -229,9 +235,9 @@ static noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev,
if (rc >= 0)
info.n_priv_flags = rc;
}
if (ops->get_regs_len)
if (ops && ops->get_regs_len)
info.regdump_len = ops->get_regs_len(dev);
if (ops->get_eeprom_len)
if (ops && ops->get_eeprom_len)
info.eedump_len = ops->get_eeprom_len(dev);
if (copy_to_user(useraddr, &info, sizeof(info)))
@ -1402,12 +1408,19 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
if (!dev || !netif_device_present(dev))
return -ENODEV;
if (!dev->ethtool_ops)
return -EOPNOTSUPP;
if (copy_from_user(&ethcmd, useraddr, sizeof(ethcmd)))
return -EFAULT;
if (!dev->ethtool_ops) {
/* ETHTOOL_GDRVINFO does not require any driver support.
* It is also unprivileged and does not change anything,
* so we can take a shortcut to it. */
if (ethcmd == ETHTOOL_GDRVINFO)
return ethtool_get_drvinfo(dev, useraddr);
else
return -EOPNOTSUPP;
}
/* Allow some commands to be done by anyone */
switch (ethcmd) {
case ETHTOOL_GDRVINFO: