centos man page for phy_mii_ioctl

PHY_MII_IOCTL(9)					      Network device support						  PHY_MII_IOCTL(9)

NAME
       phy_mii_ioctl - generic PHY MII ioctl interface

SYNOPSIS
       int phy_mii_ioctl(struct phy_device * phydev, struct ifreq * ifr, int cmd);

ARGUMENTS
       phydev
	   the phy_device struct

       ifr
	   struct ifreq for socket ioctl's

       cmd
	   ioctl cmd to execute

DESCRIPTION
       Note that this function is currently incompatible with the PHYCONTROL layer. It changes registers without regard to current state. Use at
       own risk.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							  PHY_MII_IOCTL(9)