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* cfg80211: combine IWAP handlersJohannes Berg2009-07-291-8/+44
| | | | | | | | Since we now have IWAP handlers for all modes, we can combine them into one. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: combine iwfreq implementationsJohannes Berg2009-07-291-1/+53
| | | | | | | | | | Until now we implemented iwfreq for managed mode, we needed to keep the implementations separate, but now that we have all versions implemented we can combine them and export just one handler. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: set_default_key only for WEPZhu Yi2009-07-241-1/+2
| | | | | | | | | We invoke the cfg80211 set_default_key callback only for WEP key configuring. Signed-off-by: Zhu Yi <yi.zhu@intel.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: fix disabling WPA via wext (SIOCSIWAUTH)Gábor Stefanik2009-07-241-1/+11
| | | | | | | | | cfg80211_set_wpa_version completely missed the use case when disabling WPA, considering IW_AUTH_WPA_VERSION_DISABLED an invalid argument. This caused weird error messages in wpa_supplicant. Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: fix wext statsJohannes Berg2009-07-241-4/+9
| | | | | | | | | | | Instead of using the wext BSSID which may be NULL if you haven't explicitly set one, we should instead use the current_bss pointer -- if that's NULL we aren't connected anyway. Fixes missing signal quality output reported to me internally at Intel. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: rework key operationJohannes Berg2009-07-241-62/+101
| | | | | | | | | | | | | | | | | | | | | | | | This reworks the key operation in cfg80211, and now only allows, from userspace, configuring keys (via nl80211) after the connection has been established (in managed mode), the IBSS been joined (in IBSS mode), at any time (in AP[_VLAN] modes) or never for all the other modes. In order to do shared key authentication correctly, it is now possible to give a WEP key to the AUTH command. To configure static WEP keys, these are given to the CONNECT or IBSS_JOIN command directly, for a userspace SME it is assumed it will configure it properly after the connection has been established. Since mac80211 used to check the default key in IBSS mode to see whether or not the network is protected, it needs an update in that area, as well as an update to make use of the WEP key passed to auth() for shared key authentication. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: fix race in giwrateJohannes Berg2009-07-241-5/+8
| | | | | | | | | | cfg80211_wext_giwrate doesn't lock the wdev, so it cannot access current_bss race-free. Also, there's little point in trying to ask the driver for an AP that it never told us about, so avoid that case. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: fix MFP bug, sparse warningsJohannes Berg2009-07-101-3/+3
| | | | | | | | | sparse warns about a number of things, and one of them (use_mfp shadowed variable) actually is a bug, fix all of them. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: check for current_bss from giwrateSamuel Ortiz2009-07-101-2/+5
| | | | | | | | | | | When connecting to an ESSID manually, we may not set the BSSID, and thus wdev->wext.connect.bssid will be NULL. wdev->current_bss is always updated when a connection is established so we should check it first. Signed-off-by: Samuel Ortiz <samuel.ortiz@intel.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: fix giwrangeJohannes Berg2009-07-101-4/+3
| | | | | | | | | "cfg80211: Advertise ciphers via WE according to driver capability" unfortunately broke iwrange -- it used the variable c that needs to be 0 for the channel list. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: implement get_wireless_statsJohannes Berg2009-07-101-0/+59
| | | | | | | | | | By dropping the noise reporting, we can implement wireless stats in cfg80211. We also make the handler return NULL if we have no information, which is possible thanks to the recent wext change. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: implement IWRATEJohannes Berg2009-07-101-0/+63
| | | | | | | | | | For now, let's implement that using a very hackish way: simply mirror the wext API in the cfg80211 API. This will have to be changed later when we implement proper bitrate API. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: implement IWAP for WDSJohannes Berg2009-07-101-0/+46
| | | | | | | This implements siocsiwap/giwap for WDS mode. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: implement iwpowerJohannes Berg2009-07-101-0/+60
| | | | | | | | | Just on/off and timeout, and with a hacky cfg80211 method until we figure out what we want, though this is probably sufficient as we want to use pm_qos for wifi everywhere. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: managed mode wext compatibilityJohannes Berg2009-07-101-44/+185
| | | | | | | | | | | | | This adds code to make it possible to use the cfg80211 connect() API with wireless extensions, and because the previous patch added emulation of that API with auth() and assoc(), by extension also supports wext on that. At the same time, removes code from mac80211 for wext, but doesn't yet clean up mac80211's mlme code more. Signed-off-by: Samuel Ortiz <samuel.ortiz@intel.com> Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: infer WPA and WPA2 support from TKIP and CCMPDavid Kilroy2009-07-101-4/+4
| | | | | | Signed-off-by: David Kilroy <kilroyd@googlemail.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: set WE encoding size based on available ciphersDavid Kilroy2009-07-101-3/+10
| | | | | | | | Only set the sizes for WEP40 and WEP104. Signed-off-by: David Kilroy <kilroyd@googlemail.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: allow drivers that can't scan for specific ssidsDavid Kilroy2009-07-101-1/+2
| | | | | | Signed-off-by: David Kilroy <kilroyd@googlemail.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: Advertise ciphers via WE according to driver capabilityDavid Kilroy2009-07-101-2/+13
| | | | | | Signed-off-by: David Kilroy <kilroyd@googlemail.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: pass netdev to change_virtual_intfJohannes Berg2009-07-101-1/+1
| | | | | | | | | If there was a reason I'm passing the ifidx I cannot remember it any more and don't see one now, so let's just pass the pointer itself. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: add rfkill supportJohannes Berg2009-06-031-4/+7
| | | | | | | | | | | To be easier on drivers and users, have cfg80211 register an rfkill structure that drivers can access. When soft-killed, simply take down all interfaces; when hard-killed the driver needs to notify us and we will take down the interfaces after the fact. While rfkilled, interfaces cannot be set UP. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: move txpower wext from mac80211Johannes Berg2009-06-031-0/+80
| | | | | | | | | | This patch introduces new cfg80211 API to set the TX power via cfg80211, puts the wext code into cfg80211 and updates mac80211 to use all that. The -ENETDOWN bits are a hack but will go away soon. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: allow wext to remove keys that don't existJohannes Berg2009-05-201-0/+7
| | | | | | | | | | | | | | | | | Some applications using wireless extensions expect to be able to remove a key that doesn't exist. One example is wpa_supplicant which doesn't actually change behaviour when running into an error while trying to do that, but it prints an error message which users interpret as wpa_supplicant having problems. The safe thing to do is not change the behaviour of wireless extensions any more, so when the driver reports -ENOENT let the wext bridge code return success to userspace. To guarantee this, also document that drivers should return -ENOENT when the key doesn't exist. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* nl80211: Add RSC configuration for new keysJouni Malinen2009-05-131-0/+5
| | | | | | | | | | | | | When setting a key with NL80211_CMD_NEW_KEY, we should allow the key sequence number (RSC) to be set in order to allow replay protection to work correctly for group keys. This patch documents this use for nl80211 and adds the couple of missing pieces in nl80211/cfg80211 and mac80211 to support this. In addition, WEXT SIOCSIWENCODEEXT compat processing in cfg80211 is extended to handle the RSC (this was already specified in WEXT, but just not implemented in cfg80211/mac80211). Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: implement wext key handlingJohannes Berg2009-05-131-1/+256
| | | | | | | | | | | | | | | | | | | Move key handling wireless extension ioctls from mac80211 to cfg80211 so that all drivers that implement the cfg80211 operations get wext compatibility. Note that this drops the SIOCGIWENCODE ioctl support for getting IW_ENCODE_RESTRICTED/IW_ENCODE_OPEN. This means that iwconfig will no longer report "Security mode:open" or "Security mode:restricted" for mac80211. However, what we displayed there (the authentication algo used) was actually wrong -- linux/wireless.h states that this setting is meant to differentiate between "Refuse non-encoded packets" and "Accept non-encoded packets". (Combined with "cfg80211: fix a couple of bugs with key ioctls". -- JWL) Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: fix wext iw_freq parsingJohannes Berg2009-05-111-6/+18
| | | | | | | | | | | | | | | | | The function to parse a struct iw_freq has a stupid bug, it returns NULL when the channel cannot be found at all, but NULL is supposed to mean "auto". Fix this by checking the return value of ieee80211_get_channel() and returning ERR_PTR(-EINVAL) if it returned NULL (channel not found). This fixes an issue where you could say (in IBSS mode) iwconfig wlan0 channel 21 and it would use channel 1 instead because that's the first available channel with IBSS allowed (which is what the "auto" setting uses). Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: mark all WEXT handlers _GPLJohannes Berg2009-04-221-12/+12
| | | | | | | | | | | | The fact that these are exported is a technical detail of the conversion period -- we don't want anybody to start relying on these. Ultimately we want things to use cfg80211 only, and once everything that is in wext is converted to cfg80211 drivers will not need to touch wext _at all_. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* nl80211: Add set/get for frag/rts threshold and retry limitsJouni Malinen2009-04-221-0/+151
| | | | | | | | | | | | | | | | Add new nl80211 attributes that can be used with NL80211_CMD_SET_WIPHY and NL80211_CMD_GET_WIPHY to manage fragmentation/RTS threshold and retry limits. Since these values are stored in struct wiphy, remove the local copy from mac80211 where feasible (frag & rts threshold). The retry limits are currently needed in struct ieee80211_conf, but these could be eventually removed since the driver should have access to the values in struct wiphy. Signed-off-by: Jouni Malinen <j@w1.fi> Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: clean up includesJohannes Berg2009-04-221-1/+0
| | | | | | | | | | | | | | | | | | | | | | | Trying to separate header files into net/wireless.h and net/cfg80211.h has been a source of confusion. Remove net/wireless.h (because there also is the linux/wireless.h) and subsume everything into net/cfg80211.h -- except the definitions for regulatory structures which get moved to a new header net/regulatory.h. The "new" net/cfg80211.h is now divided into sections. There are no real changes in this patch but code shuffling and some very minor documentation fixes. I have also, to make things reflect reality, put in a copyright line for Luis to net/regulatory.h since that is probably exclusively written by him but was formerly in a file that only had my copyright line. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Cc: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211/nl80211: add IBSS APIJohannes Berg2009-04-221-0/+30
| | | | | | | | | | | | | | | | | | | | | | | This adds IBSS API along with (preliminary) wext handlers. The wext handlers can only do IBSS so you need to call them from your own wext handlers if the mode is IBSS. The nl80211 API requires * an SSID * a channel (frequency) for the case that a new IBSS has to be created It optionally supports * a flag to fix the channel * a fixed BSSID The cfg80211 code also takes care to leave the IBSS before the netdev is set down. If wireless extensions are used, it also caches values when the interface is down and instructs the driver to join when the interface is set up. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211/mac80211: move wext SIWMLME into cfg80211Johannes Berg2009-04-221-1/+45
| | | | | | | | Since we have ->deauth and ->disassoc we can support the wext SIWMLME call directly without driver wext handlers. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: accept no-op interface mode changesJohannes Berg2009-03-271-2/+9
| | | | | | | | When somebody tries to set the interface mode to the existing mode, don't ask the driver but silently accept the setting. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211/cfg80211: move iwrange handler to cfg80211Johannes Berg2009-02-271-0/+97
| | | | | | | | | | | The previous patch made cfg80211 generally aware of the signal type a given hardware will give, so now it can implement SIOCGIWRANGE itself, removing more wext stuff from mac80211. Might need to be a little more parametrized once we have more hardware using cfg80211 and new hardware capabilities. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: handle SIOCGIWMODE/SIOCSIWMODEJohannes Berg2008-12-051-0/+79
| | | | | | | further reducing wext code in mac80211. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: handle SIOCGIWNAMEJohannes Berg2008-12-051-0/+60
This patch moves the SIOCGIWNAME handling from mac80211 to cfg80211. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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