linux-imx

// SPDX-License-Identifier: GPL-2.0

#include <linux/kmod.h>

#include <linux/netdevice.h>

#include <linux/etherdevice.h>

#include <linux/rtnetlink.h>

#include <linux/net_tstamp.h>

#include <linux/wireless.h>

#include <net/wext.h>

​

/*

 *  Map an interface index to its name (SIOCGIFNAME)

 */

​

/*

 *  We need this ioctl for efficient implementation of the

 *  if_indextoname() function required by the IPv6 API.  Without

 *  it, we would have to search all the interfaces to find a

 *  match.  --pb

 */

​

static int dev_ifname(struct net *net, struct ifreq *ifr)

{

    ifr->ifr_name[IFNAMSIZ-1] = 0;

    return netdev_get_name(net, ifr->ifr_name, ifr->ifr_ifindex);

}

​

static gifconf_func_t *gifconf_list[NPROTO];

​

/**

 *  register_gifconf    -   register a SIOCGIF handler

 *  @family: Address family

 *  @gifconf: Function handler

 *

 *  Register protocol dependent address dumping routines. The handler

 *  that is passed must not be freed or reused until it has been replaced

 *  by another handler.

 */

int register_gifconf(unsigned int family, gifconf_func_t *gifconf)

{

    if (family >= NPROTO)

        return -EINVAL;

    gifconf_list[family] = gifconf;

    return 0;

}

EXPORT_SYMBOL(register_gifconf);

​

/*

 *  Perform a SIOCGIFCONF call. This structure will change

 *  size eventually, and there is nothing I can do about it.

 *  Thus we will need a 'compatibility mode'.

 */

​

int dev_ifconf(struct net *net, struct ifconf *ifc, int size)

{

    struct net_device *dev;

    char __user *pos;

    int len;

    int total;

    int i;

​

    /*

     *  Fetch the caller's info block.

     */