net/mac80211/cfg.c

   1 /*
   2  * mac80211 configuration hooks for cfg80211
   3  *
   4  * Copyright 2006       Johannes Berg <[email protected]>
   5  *
   6  * This file is GPLv2 as found in COPYING.
   7  */
   8
   9 #include <linux/nl80211.h>
  10 #include <linux/rtnetlink.h>
  11 #include <net/net_namespace.h>
  12 #include <net/cfg80211.h>
  13 #include "ieee80211_i.h"
  14 #include "cfg.h"
  15
  16 static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
  17                                enum nl80211_iftype type)
  18 {
  19         struct ieee80211_local *local = wiphy_priv(wiphy);
  20         int itype;
  21
  22         if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED))
  23                 return -ENODEV;
  24
  25         switch (type) {
  26         case NL80211_IFTYPE_UNSPECIFIED:
  27                 itype = IEEE80211_IF_TYPE_STA;
  28                 break;
  29         case NL80211_IFTYPE_ADHOC:
  30                 itype = IEEE80211_IF_TYPE_IBSS;
  31                 break;
  32         case NL80211_IFTYPE_STATION:
  33                 itype = IEEE80211_IF_TYPE_STA;
  34                 break;
  35         case NL80211_IFTYPE_MONITOR:
  36                 itype = IEEE80211_IF_TYPE_MNTR;
  37                 break;
  38         default:
  39                 return -EINVAL;
  40         }
  41
  42         return ieee80211_if_add(local->mdev, name, NULL, itype);
  43 }
  44
  45 static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex)
  46 {
  47         struct ieee80211_local *local = wiphy_priv(wiphy);
  48         struct net_device *dev;
  49         char *name;
  50
  51         if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED))
  52                 return -ENODEV;
  53
  54         dev = dev_get_by_index(&init_net, ifindex);
  55         if (!dev)
  56                 return 0;
  57
  58         name = dev->name;
  59         dev_put(dev);
  60
  61         return ieee80211_if_remove(local->mdev, name, -1);
  62 }
  63
  64 struct cfg80211_ops mac80211_config_ops = {
  65         .add_virtual_intf = ieee80211_add_iface,
  66         .del_virtual_intf = ieee80211_del_iface,
  67 };