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-rw-r--r--net/mac80211/cfg.c106
1 files changed, 106 insertions, 0 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
new file mode 100644
index 000000000000..9e2bc1fd0237
--- /dev/null
+++ b/net/mac80211/cfg.c
@@ -0,0 +1,106 @@
+/*
+ * 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,
+};