projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| f0706e82 JB |
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> | |
| 881d966b | 11 | #include <net/net_namespace.h> |
| f0706e82 JB |
12 | #include <net/cfg80211.h> |
| 13 | #include "ieee80211_i.h" | |
| e0eb6859 | 14 | #include "cfg.h" |
| f0706e82 | 15 | |
| 42613db7 JB |
16 | static enum ieee80211_if_types |
| 17 | nl80211_type_to_mac80211_type(enum nl80211_iftype type) | |
| 18 | { | |
| 19 | switch (type) { | |
| 20 | case NL80211_IFTYPE_UNSPECIFIED: | |
| 21 | return IEEE80211_IF_TYPE_STA; | |
| 22 | case NL80211_IFTYPE_ADHOC: | |
| 23 | return IEEE80211_IF_TYPE_IBSS; | |
| 24 | case NL80211_IFTYPE_STATION: | |
| 25 | return IEEE80211_IF_TYPE_STA; | |
| 26 | case NL80211_IFTYPE_MONITOR: | |
| 27 | return IEEE80211_IF_TYPE_MNTR; | |
| 28 | default: | |
| 29 | return IEEE80211_IF_TYPE_INVALID; | |
| 30 | } | |
| 31 | } | |
| 32 | ||
| f0706e82 | 33 | static int ieee80211_add_iface(struct wiphy *wiphy, char *name, |
| 55682965 | 34 | enum nl80211_iftype type) |
| f0706e82 JB |
35 | { |
| 36 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
| 42613db7 | 37 | enum ieee80211_if_types itype; |
| f0706e82 JB |
38 | |
| 39 | if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED)) | |
| 40 | return -ENODEV; | |
| 41 | ||
| 42613db7 JB |
42 | itype = nl80211_type_to_mac80211_type(type); |
| 43 | if (itype == IEEE80211_IF_TYPE_INVALID) | |
| f0706e82 | 44 | return -EINVAL; |
| f0706e82 JB |
45 | |
| 46 | return ieee80211_if_add(local->mdev, name, NULL, itype); | |
| 47 | } | |
| 48 | ||
| 49 | static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex) | |
| 50 | { | |
| 51 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
| 52 | struct net_device *dev; | |
| 53 | char *name; | |
| 54 | ||
| 55 | if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED)) | |
| 56 | return -ENODEV; | |
| 57 | ||
| 42613db7 JB |
58 | /* we're under RTNL */ |
| 59 | dev = __dev_get_by_index(&init_net, ifindex); | |
| f0706e82 JB |
60 | if (!dev) |
| 61 | return 0; | |
| 62 | ||
| 63 | name = dev->name; | |
| f0706e82 JB |
64 | |
| 65 | return ieee80211_if_remove(local->mdev, name, -1); | |
| 66 | } | |
| 67 | ||
| 42613db7 JB |
68 | static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex, |
| 69 | enum nl80211_iftype type) | |
| 70 | { | |
| 71 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
| 72 | struct net_device *dev; | |
| 73 | enum ieee80211_if_types itype; | |
| 74 | struct ieee80211_sub_if_data *sdata; | |
| 75 | ||
| 76 | if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED)) | |
| 77 | return -ENODEV; | |
| 78 | ||
| 79 | /* we're under RTNL */ | |
| 80 | dev = __dev_get_by_index(&init_net, ifindex); | |
| 81 | if (!dev) | |
| 82 | return -ENODEV; | |
| 83 | ||
| 84 | if (netif_running(dev)) | |
| 85 | return -EBUSY; | |
| 86 | ||
| 87 | itype = nl80211_type_to_mac80211_type(type); | |
| 88 | if (itype == IEEE80211_IF_TYPE_INVALID) | |
| 89 | return -EINVAL; | |
| 90 | ||
| 91 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
| 92 | ||
| 93 | if (sdata->type == IEEE80211_IF_TYPE_VLAN) | |
| 94 | return -EOPNOTSUPP; | |
| 95 | ||
| 96 | ieee80211_if_reinit(dev); | |
| 97 | ieee80211_if_set_type(dev, itype); | |
| 98 | ||
| 99 | return 0; | |
| 100 | } | |
| 101 | ||
| f0706e82 JB |
102 | struct cfg80211_ops mac80211_config_ops = { |
| 103 | .add_virtual_intf = ieee80211_add_iface, | |
| 104 | .del_virtual_intf = ieee80211_del_iface, | |
| 42613db7 | 105 | .change_virtual_intf = ieee80211_change_iface, |
| f0706e82 | 106 | }; |