MDIOCATTACH
i = ioctl(md_fd, MDIOCATTACH, &mdio);
#define MDIOCATTACH_32 _IOC_NEWTYPE(MDIOCATTACH, struct md_ioctl32)
case MDIOCATTACH:
case MDIOCATTACH:
case MDIOCATTACH:
error = kern_ioctl(td, fd, MDIOCATTACH, (void *)mdio);
if (ioctl(mdctl_fd, MDIOCATTACH, &mdio) < 0) {