ifslave
static void bond_fill_ifslave(struct slave *slave, struct ifslave *info)
static int bond_slave_info_query(struct net_device *bond_dev, struct ifslave *info)
struct ifslave k_sinfo;
struct ifslave __user *u_sinfo = NULL;
u_sinfo = (struct ifslave __user *)ifr->ifr_data;
if (copy_from_user(&k_sinfo, u_sinfo, sizeof(ifslave)))
copy_to_user(u_sinfo, &k_sinfo, sizeof(ifslave)))
ifslave slave;