diff --git a/Documentation/networking/netdevices.rst b/Documentation/networking/netdevices.rst index 3c42b0b0be93..9e4cccb90b87 100644 --- a/Documentation/networking/netdevices.rst +++ b/Documentation/networking/netdevices.rst @@ -222,6 +222,17 @@ ndo_do_ioctl: Synchronization: rtnl_lock() semaphore. Context: process + This is only called by network subsystems internally, + not by user space calling ioctl as it was in before + linux-5.14. + +ndo_siocbond: + Synchronization: rtnl_lock() semaphore. + Context: process + + Used by the bonding driver for the SIOCBOND family of + ioctl commands. + ndo_siocwandev: Synchronization: rtnl_lock() semaphore. Context: process diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 23769e937c28..bec8ceaff98f 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -4988,7 +4988,7 @@ static const struct net_device_ops bond_netdev_ops = { .ndo_select_queue = bond_select_queue, .ndo_get_stats64 = bond_get_stats, .ndo_eth_ioctl = bond_eth_ioctl, - .ndo_do_ioctl = bond_do_ioctl, + .ndo_siocbond = bond_do_ioctl, .ndo_siocdevprivate = bond_siocdevprivate, .ndo_change_rx_flags = bond_change_rx_flags, .ndo_set_rx_mode = bond_set_rx_mode, diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index cc11382f76a3..226bbee06730 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1086,9 +1086,14 @@ struct netdev_net_notifier { * Test if Media Access Control address is valid for the device. * * int (*ndo_do_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd); - * Called when a user requests an ioctl which can't be handled by - * the generic interface code. If not defined ioctls return - * not supported error code. + * Old-style ioctl entry point. This is used internally by the + * appletalk and ieee802154 subsystems but is no longer called by + * the device ioctl handler. + * + * int (*ndo_siocbond)(struct net_device *dev, struct ifreq *ifr, int cmd); + * Used by the bonding driver for its device specific ioctls: + * SIOCBONDENSLAVE, SIOCBONDRELEASE, SIOCBONDSETHWADDR, SIOCBONDCHANGEACTIVE, + * SIOCBONDSLAVEINFOQUERY, and SIOCBONDINFOQUERY * * * int (*ndo_eth_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd); * Called for ethernet specific ioctls: SIOCGMIIPHY, SIOCGMIIREG, @@ -1367,6 +1372,8 @@ struct net_device_ops { struct ifreq *ifr, int cmd); int (*ndo_eth_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd); + int (*ndo_siocbond)(struct net_device *dev, + struct ifreq *ifr, int cmd); int (*ndo_siocwandev)(struct net_device *dev, struct if_settings *ifs); int (*ndo_siocdevprivate)(struct net_device *dev, diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c index 3166f196b296..4035bce06bf8 100644 --- a/net/core/dev_ioctl.c +++ b/net/core/dev_ioctl.c @@ -260,14 +260,14 @@ static int dev_eth_ioctl(struct net_device *dev, return err; } -static int dev_do_ioctl(struct net_device *dev, +static int dev_siocbond(struct net_device *dev, struct ifreq *ifr, unsigned int cmd) { const struct net_device_ops *ops = dev->netdev_ops; - if (ops->ndo_do_ioctl) { + if (ops->ndo_siocbond) { if (netif_device_present(dev)) - return ops->ndo_do_ioctl(dev, ifr, cmd); + return ops->ndo_siocbond(dev, ifr, cmd); else return -ENODEV; } @@ -407,7 +407,7 @@ static int dev_ifsioc(struct net *net, struct ifreq *ifr, void __user *data, cmd == SIOCBONDSLAVEINFOQUERY || cmd == SIOCBONDINFOQUERY || cmd == SIOCBONDCHANGEACTIVE) { - err = dev_do_ioctl(dev, ifr, cmd); + err = dev_siocbond(dev, ifr, cmd); } else err = -EINVAL;