net/mac80211/ieee80211_cfg.c

   1 /*
   2  * mac80211 configuration hooks for cfg80211
   3  *
   4  * Copyright 2006       Johannes Berg <johannes@sipsolutions.net>
   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/cfg80211.h>
  12 #include "ieee80211_i.h"
  13 #include "ieee80211_cfg.h"
  14
  15 static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
  16                                unsigned int type)
  17 {
  18         struct ieee80211_local *local = wiphy_priv(wiphy);
  19         int itype;
  20
  21         if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED))
  22                 return -ENODEV;
  23
  24         switch (type) {
  25         case NL80211_IFTYPE_UNSPECIFIED:
  26                 itype = IEEE80211_IF_TYPE_STA;
  27                 break;
  28         case NL80211_IFTYPE_ADHOC:
  29                 itype = IEEE80211_IF_TYPE_IBSS;
  30                 break;
  31         case NL80211_IFTYPE_STATION:
  32                 itype = IEEE80211_IF_TYPE_STA;
  33                 break;
  34         case NL80211_IFTYPE_MONITOR:
  35                 itype = IEEE80211_IF_TYPE_MNTR;
  36                 break;
  37         default:
  38                 return -EINVAL;
  39         }
  40
  41         return ieee80211_if_add(local->mdev, name, NULL, itype);
  42 }
  43
  44 static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex)
  45 {
  46         struct ieee80211_local *local = wiphy_priv(wiphy);
  47         struct net_device *dev;
  48         char *name;
  49
  50         if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED))
  51                 return -ENODEV;
  52
  53         dev = dev_get_by_index(ifindex);
  54         if (!dev)
  55                 return 0;
  56
  57         name = dev->name;
  58         dev_put(dev);
  59
  60         return ieee80211_if_remove(local->mdev, name, -1);
  61 }
  62
  63 struct cfg80211_ops mac80211_config_ops = {
  64         .add_virtual_intf = ieee80211_add_iface,
  65         .del_virtual_intf = ieee80211_del_iface,
  66 };