linux-stable.git/net/wireless/mlme.c, branch linux-3.2.y

nl80211/cfg80211: Add support to disable CCK rate for management frame

2011-09-27T18:34:10+00:00

Add a new nl80211 attribute to specify whether to send the management
frames in CCK rate or not. As of now the wpa_supplicant is disabling
CCK rate at P2P init itself. So this patch helps to send P2P probe
request/probe response/action frames being sent at non CCK rate in 2GHz
without disabling 11b rates.

This attribute is used with NL80211_CMD_TRIGGER_SCAN and
NL80211_CMD_FRAME commands to disable CCK rate for management frame
transmission.

Cc: Jouni Malinen 
Signed-off-by: Rajkumar Manoharan 
Signed-off-by: John W. Linville

cfg80211/nl80211: Add PMKSA caching candidate event

2011-09-19T20:10:14+00:00

When the driver (or most likely firmware) decides which AP to use
for roaming based on internal scan result processing, user space
needs to be notified of PMKSA caching candidates to allow RSN
pre-authentication to be used.

Signed-off-by: Jouni Malinen 
Signed-off-by: John W. Linville

cfg80211/nl80211: support GTK rekey offload

2011-07-06T19:05:42+00:00

In certain circumstances, like WoWLAN scenarios,
devices may implement (partial) GTK rekeying on
the device to avoid waking up the host for it.

In order to successfully go through GTK rekeying,
the KEK, KCK and the replay counter are required.

Add API to let the supplicant hand the parameters
to the driver which may store it for future GTK
rekey operations.

Note that, of course, if GTK rekeying is done by
the device, the EAP frame must not be passed up
to userspace, instead a rekey event needs to be
sent to let userspace update its replay counter.

Signed-off-by: Johannes Berg 
Signed-off-by: John W. Linville

cfg80211: Ignore downstream DEAUTH for authtry_bsses

2011-06-10T18:26:51+00:00

Downsteram DEAUTH messages do not refer to a current authentication
attempt -- AUTH responses do.  Therefore we should not allow DEAUTH
from an AP to void state for an AUTH attempt in progress.

Signed-off-by: Paul Stewart 
Signed-off-by: John W. Linville

mac80211: Let userspace send action frames over mesh interfaces

2011-05-11T18:37:47+00:00

Signed-off-by: Javier Cardona 
Signed-off-by: John W. Linville

cfg80211: Add nl80211 event for deletion of a station entry

2011-03-30T18:15:18+00:00

Indicate an NL80211_CMD_DEL_STATION event when a station entry in
mac80211 is deleted to match with the NL80211_CMD_NEW_STATION event
that is used when the entry was added. This is needed, e.g., to allow
user space to remove a peer from RSN IBSS Authenticator state machine
to avoid re-authentication and re-keying delays when the peer is not
reachable anymore.

Signed-off-by: Jouni Malinen 
Reviewed-by: Johannes Berg 
Signed-off-by: John W. Linville

nl80211: Add notification for dropped Deauth/Disassoc

2010-12-16T20:22:30+00:00

Add a new notification to indicate that a received, unprotected
Deauthentication or Disassociation frame was dropped due to
management frame protection being in use. This notification is
needed to allow user space (e.g., wpa_supplicant) to implement
SA Query procedure to recover from association state mismatch
between an AP and STA.

This is needed to avoid getting stuck in non-working state when MFP
(IEEE 802.11w) is used and a protected Deauthentication or
Disassociation frame is dropped for any reason. After that, the
station would silently discard any unprotected Deauthentication or
Disassociation frame that could be indicating that the AP does not
have association for the STA (when the Reason Code would be 6 or 7).
IEEE Std 802.11w-2009, 11.13 describes this recovery mechanism.

Signed-off-by: Jouni Malinen 
Signed-off-by: John W. Linville

nl80211/cfg80211: extend mgmt-tx API for off-channel

2010-11-29T20:24:35+00:00

With p2p, it is sometimes necessary to transmit
a frame (typically an action frame) on another
channel than the current channel. Enable this
through the CMD_FRAME API, and allow it to wait
for a response. A new command allows that wait
to be aborted.

However, allow userspace to specify whether or
not it wants to allow off-channel TX, it may
actually want to use the same channel only.

Signed-off-by: Johannes Berg 
Signed-off-by: John W. Linville

cfg80211: allow using CQM event to notify packet loss

2010-11-24T21:19:36+00:00

This adds the ability for drivers to use CQM events
to notify about packet loss for specific stations
(which could be the AP for the managed mode case).
Since the threshold might be determined by the
driver (it isn't passed in right now) it will be
passed out of the driver to userspace in the event.

Signed-off-by: Johannes Berg 
Signed-off-by: John W. Linville

cfg80211: notify drivers about frame registrations

2010-10-13T19:45:22+00:00

Drivers may need to adjust their filters according
to frame registrations, so notify them about them.

Signed-off-by: Johannes Berg 
Signed-off-by: John W. Linville