net: usb: introduce usbnet_mii_ioctl helper function

Many USB network drivers use identical code to pass ioctl
requests on to the MII layer. Reduce code duplication by
refactoring this code into a helper function.

Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev> (v1)
Reviewed-by: Andrew Lunn <andrew@lunn.ch> (v3)
Signed-off-by: Ethan Nelson-Moore <enelsonmoore@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20260203013517.26170-1-enelsonmoore@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Ethan Nelson-Moore 2026-02-02 17:34:55 -08:00 committed by Jakub Kicinski
parent e9a1a28af9
commit 61e94cbdf8
8 changed files with 16 additions and 42 deletions

View File

@ -97,13 +97,6 @@ static u32 asix_get_phyid(struct usbnet *dev)
return phy_id;
}
static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd)
{
struct usbnet *dev = netdev_priv(net);
return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
}
/* We need to override some ethtool_ops so we require our
own structure so we don't interfere with other usbnet
devices that may be connected at the same time. */
@ -190,7 +183,7 @@ static const struct net_device_ops ax88172_netdev_ops = {
.ndo_get_stats64 = dev_get_tstats64,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
.ndo_eth_ioctl = asix_ioctl,
.ndo_eth_ioctl = usbnet_mii_ioctl,
.ndo_set_rx_mode = ax88172_set_multicast,
};
@ -1269,7 +1262,7 @@ static const struct net_device_ops ax88178_netdev_ops = {
.ndo_set_mac_address = asix_set_mac_address,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_rx_mode = asix_set_multicast,
.ndo_eth_ioctl = asix_ioctl,
.ndo_eth_ioctl = usbnet_mii_ioctl,
.ndo_change_mtu = ax88178_change_mtu,
};

View File

@ -847,12 +847,6 @@ static int ax88179_set_eee(struct net_device *net, struct ethtool_keee *edata)
return ret;
}
static int ax88179_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
{
struct usbnet *dev = netdev_priv(net);
return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
}
static const struct ethtool_ops ax88179_ethtool_ops = {
.get_link = ethtool_op_get_link,
.get_msglevel = usbnet_get_msglevel,
@ -998,7 +992,7 @@ static const struct net_device_ops ax88179_netdev_ops = {
.ndo_change_mtu = ax88179_change_mtu,
.ndo_set_mac_address = ax88179_set_mac_addr,
.ndo_validate_addr = eth_validate_addr,
.ndo_eth_ioctl = ax88179_ioctl,
.ndo_eth_ioctl = usbnet_mii_ioctl,
.ndo_set_rx_mode = ax88179_set_multicast,
.ndo_set_features = ax88179_set_features,
};

View File

@ -259,13 +259,6 @@ static void dm9601_mdio_write(struct net_device *netdev, int phy_id, int loc,
dm_write_shared_word(dev, 1, loc, res);
}
static int dm9601_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
{
struct usbnet *dev = netdev_priv(net);
return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
}
static const struct ethtool_ops dm9601_ethtool_ops = {
.get_drvinfo = usbnet_get_drvinfo,
.get_link = usbnet_get_link,
@ -337,7 +330,7 @@ static const struct net_device_ops dm9601_netdev_ops = {
.ndo_change_mtu = usbnet_change_mtu,
.ndo_get_stats64 = dev_get_tstats64,
.ndo_validate_addr = eth_validate_addr,
.ndo_eth_ioctl = dm9601_ioctl,
.ndo_eth_ioctl = usbnet_mii_ioctl,
.ndo_set_rx_mode = dm9601_set_multicast,
.ndo_set_mac_address = dm9601_set_mac_address,
};

View File

@ -325,12 +325,6 @@ static void mcs7830_mdio_write(struct net_device *netdev, int phy_id,
mcs7830_write_phy(dev, location, val);
}
static int mcs7830_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
{
struct usbnet *dev = netdev_priv(net);
return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
}
static inline struct mcs7830_data *mcs7830_get_data(struct usbnet *dev)
{
return (struct mcs7830_data *)&dev->data;
@ -468,7 +462,7 @@ static const struct net_device_ops mcs7830_netdev_ops = {
.ndo_change_mtu = usbnet_change_mtu,
.ndo_get_stats64 = dev_get_tstats64,
.ndo_validate_addr = eth_validate_addr,
.ndo_eth_ioctl = mcs7830_ioctl,
.ndo_eth_ioctl = usbnet_mii_ioctl,
.ndo_set_rx_mode = mcs7830_set_multicast,
.ndo_set_mac_address = mcs7830_set_mac_address,
};

View File

@ -743,12 +743,10 @@ static const struct ethtool_ops smsc75xx_ethtool_ops = {
static int smsc75xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
{
struct usbnet *dev = netdev_priv(netdev);
if (!netif_running(netdev))
return -EINVAL;
return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
return usbnet_mii_ioctl(netdev, rq, cmd);
}
static void smsc75xx_init_mac_address(struct usbnet *dev)

View File

@ -469,13 +469,6 @@ static int sr_get_eeprom(struct net_device *net,
return 0;
}
static int sr_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
{
struct usbnet *dev = netdev_priv(net);
return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
}
static int sr_set_mac_address(struct net_device *net, void *p)
{
struct usbnet *dev = netdev_priv(net);
@ -668,7 +661,7 @@ static const struct net_device_ops sr9800_netdev_ops = {
.ndo_get_stats64 = dev_get_tstats64,
.ndo_set_mac_address = sr_set_mac_address,
.ndo_validate_addr = eth_validate_addr,
.ndo_eth_ioctl = sr_ioctl,
.ndo_eth_ioctl = usbnet_mii_ioctl,
.ndo_set_rx_mode = sr_set_multicast,
};

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@ -1085,6 +1085,14 @@ int usbnet_nway_reset(struct net_device *net)
}
EXPORT_SYMBOL_GPL(usbnet_nway_reset);
int usbnet_mii_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
{
struct usbnet *dev = netdev_priv(net);
return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
}
EXPORT_SYMBOL_GPL(usbnet_mii_ioctl);
void usbnet_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info)
{
struct usbnet *dev = netdev_priv(net);

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@ -290,6 +290,7 @@ extern u32 usbnet_get_msglevel(struct net_device *);
extern void usbnet_set_msglevel(struct net_device *, u32);
extern void usbnet_set_rx_mode(struct net_device *net);
extern void usbnet_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
extern int usbnet_mii_ioctl(struct net_device *net, struct ifreq *rq, int cmd);
extern int usbnet_nway_reset(struct net_device *net);
extern int usbnet_manage_power(struct usbnet *, int);