Generic ethtool sset function, handles all the details
int phy_ethtool_sset(struct phy_device * phydev, struct ethtool_cmd * cmd);
phydev
target phy_device struct
cmd
ethtool_cmd
- We don't set port or transceiver, so we don't care what they were set to. - phy_start_aneg will make sure forced settings are sane, and choose the next best ones from the ones selected, so we don't care if ethtool tries to give us bad values.