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/*
* mac80211 configuration hooks for cfg80211
*
* Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
*
* This file is GPLv2 as found in COPYING.
*/
#include <linux/nl80211.h>
#include <linux/rtnetlink.h>
#include <net/net_namespace.h>
#include <net/cfg80211.h>
#include "ieee80211_i.h"
#include "cfg.h"
static enum ieee80211_if_types
nl80211_type_to_mac80211_type(enum nl80211_iftype type)
{
switch (type) {
case NL80211_IFTYPE_UNSPECIFIED:
return IEEE80211_IF_TYPE_STA;
case NL80211_IFTYPE_ADHOC:
return IEEE80211_IF_TYPE_IBSS;
case NL80211_IFTYPE_STATION:
return IEEE80211_IF_TYPE_STA;
case NL80211_IFTYPE_MONITOR:
return IEEE80211_IF_TYPE_MNTR;
default:
return IEEE80211_IF_TYPE_INVALID;
}
}
static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
enum nl80211_iftype type)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
enum ieee80211_if_types itype;
if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED))
return -ENODEV;
itype = nl80211_type_to_mac80211_type(type);
if (itype == IEEE80211_IF_TYPE_INVALID)
return -EINVAL;
return ieee80211_if_add(local->mdev, name, NULL, itype);
}
static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
struct net_device *dev;
char *name;
if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED))
return -ENODEV;
/* we're under RTNL */
dev = __dev_get_by_index(&init_net, ifindex);
if (!dev)
return 0;
name = dev->name;
return ieee80211_if_remove(local->mdev, name, -1);
}
static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
enum nl80211_iftype type)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
struct net_device *dev;
enum ieee80211_if_types itype;
struct ieee80211_sub_if_data *sdata;
if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED))
return -ENODEV;
/* we're under RTNL */
dev = __dev_get_by_index(&init_net, ifindex);
if (!dev)
return -ENODEV;
if (netif_running(dev))
return -EBUSY;
itype = nl80211_type_to_mac80211_type(type);
if (itype == IEEE80211_IF_TYPE_INVALID)
return -EINVAL;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (sdata->type == IEEE80211_IF_TYPE_VLAN)
return -EOPNOTSUPP;
ieee80211_if_reinit(dev);
ieee80211_if_set_type(dev, itype);
return 0;
}
struct cfg80211_ops mac80211_config_ops = {
.add_virtual_intf = ieee80211_add_iface,
.del_virtual_intf = ieee80211_del_iface,
.change_virtual_intf = ieee80211_change_iface,
};
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