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2012-12-06Merge branch 'for-john' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next Conflicts: drivers/net/wireless/mwifiex/sta_ioctl.c net/mac80211/scan.c
2012-12-03Merge branch 'for-upstream' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
2012-12-03Bluetooth: trivial: Change NO_FCS_RECV to RECV_NO_FCSAndrei Emeltchenko
Make code more readable by changing CONF_NO_FCS_RECV which is read as "No L2CAP FCS option received" to CONF_RECV_NO_FCS which means "Received L2CAP option NO_FCS". This flag really means that we have received L2CAP FRAME CHECK SEQUENCE (FCS) OPTION with value "No FCS". Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-12-03Bluetooth: AMP: Check that AMP is present and activeAndrei Emeltchenko
Before starting quering remote AMP controllers make sure that there is local active AMP controller. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-12-03Bluetooth: Move double negation to macrosGustavo Padovan
Some comparisons needs to double negation(!!) in order to make the value of the field boolean. Add it to the macro makes the code more readable. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-12-03Bluetooth: Implement deferred sco socket setupFrédéric Dalleau
In order to authenticate and configure an incoming SCO connection, the BT_DEFER_SETUP option was added. This option is intended to defer reply to Connect Request on SCO sockets. When a connection is requested, the listening socket is unblocked but the effective connection setup happens only on first recv. Any send between accept and recv fails with -ENOTCONN. Signed-off-by: Frédéric Dalleau <frederic.dalleau@linux.intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-12-03mac80211: Fix typo in mac80211.hSimon Wunderlich
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30cfg80211: fix BSS struct IE access racesJohannes Berg
When a BSS struct is updated, the IEs are currently overwritten or freed. This can lead to races if some other CPU is accessing the BSS struct and using the IEs concurrently. Fix this by always allocating the IEs in a new struct that holds the data and length and protecting access to this new struct with RCU. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30mac80211: remove probe response temporary buffer allocationJohannes Berg
Instead of allocating a temporary buffer to build IEs build them right into the SKB. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-27nl80211: support P2P GO powersave configurationJohannes Berg
If a driver supports P2P GO powersave, allow it to set the new feature flags for it and allow userspace to configure the parameters for it. This can be done at GO startup and later changed with SET_BSS. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-27mac80211: support (partial) VHT radiotap informationJohannes Berg
Add some information that we have about VHT to radiotap. This at least lets one see the MCS and NSS information. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-27cfg80211: rework chandef checking and export itJohannes Berg
Some of the chandef checking that we do in cfg80211 to check if a channel is supported or not is also needed in mac80211, so rework that a bit and export the functions that are needed. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-26Merge branch 'for-john' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
2012-11-26mac80211: support VHT rates in TX infoJohannes Berg
To achieve this, limit the number of retries to 31 (instead of 255) and use the three bits that are then free for VHT flags. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-26mac80211: support drivers reporting VHT RXJohannes Berg
Add support to mac80211 for having drivers report received VHT MCS information. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-26nl80211/cfg80211: add VHT MCS supportJohannes Berg
Add support for reporting and calculating VHT MCSes. Note that I'm not completely sure that the bitrate calculations are correct, nor that they can't be simplified. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-26mac80211: convert to channel definition structJohannes Berg
Convert mac80211 (and where necessary, some drivers a little bit) to the new channel definition struct. This will allow extending mac80211 for VHT, which is currently restricted to channel contexts since there are no drivers using that which makes it easier. As I also don't care about VHT for drivers not using the channel context API, I won't convert the previous API to VHT support. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-26nl80211/cfg80211: support VHT channel configurationJohannes Berg
Change nl80211 to support specifying a VHT (or HT) using the control channel frequency (as before) and new attributes for the channel width and first and second center frequency. The old channel type is of course still supported for HT. Also change the cfg80211 channel definition struct to support these by adding the relevant fields to it (and removing the _type field.) This also adds new helper functions: - cfg80211_chandef_create to create a channel def struct given the control channel and channel type, - cfg80211_chandef_identical to check if two channel definitions are identical - cfg80211_chandef_compatible to check if the given channel definitions are compatible, and return the wider of the two This isn't entirely complete, but that doesn't matter until we have a driver using it. In particular, it's missing - regulatory checks on the usable bandwidth (if that even makes sense) - regulatory TX power (database can't deal with it) - a proper channel compatibility calculation for the new channel types Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-26cfg80211: pass a channel definition structJohannes Berg
Instead of passing a channel pointer and channel type to all functions and driver methods, pass a new channel definition struct. Right now, this struct contains just the control channel and channel type, but for VHT this will change. Also, add a small inline cfg80211_get_chandef_type() so that drivers don't need to use the _type field of the new structure all the time, which will change. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-26cfg80211: remove remain-on-channel channel typeJohannes Berg
As mwifiex (and mac80211 in the software case) are the only drivers actually implementing remain-on-channel with channel type, userspace can't be relying on it. This is the case, as it's used only for P2P operations right now. Rather than adding a flag to tell userspace whether or not it can actually rely on it, simplify all the code by removing the ability to use different channel types. Leave only the validation of the attribute, so that if we extend it again later (with the needed capability flag), it can't break userspace sending invalid data. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-26cfg80211: change function signature of cfg80211_get_p2p_attr()Arend van Spriel
The function cfg80211_get_p2p_attr() can fail and returns a negative error code. However, the return type is unsigned int. The largest positive number is determined by desired_len variable in the function, which is u16. So changing the return type to int to allow easy error checking. Also change the type for the attribute to enum for improved type checking. Signed-off-by: Arend van Spriel <arend@broadcom.com> [fix indentation, don't use u8 attr variable] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-21Merge branch 'for-john' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
2012-11-21Merge branch 'for-upstream' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
2012-11-21mac80211: Add debugfs callbacks for station addition/removalSujith Manoharan
Provide drivers with hooks to create debugfs files when a new station is added. This would help drivers to take advantage of mac80211's station list infrastructure and not maintain tedious station management code internally. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> [ifdef inline wrapper functions] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-19NFC: Export nfc_hci_sak_to_protocol()Eric Lapuyade
Some HCI drivers will need it. Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-11-19NFC: Export nfc_hci_result_to_errno as it can be needed by HCI driversEric Lapuyade
Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-11-19Bluetooth: Increase HCI command tx timeoutSzymon Janc
Read Local OOB Data command can take more than 1 second on some chips. e.g. on CSR 0a12:0001 first call to Read Local OOB Data after reset takes about 1300ms resulting in tx timeout error. [27698.368655] Bluetooth: hci0 command 0x0c57 tx timeout 2012-10-31 15:53:36.178585 < HCI Command: Read Local OOB Data (0x03|0x0057) plen 0 2012-10-31 15:53:37.496996 > HCI Event: Command Complete (0x0e) plen 36 Read Local OOB Data (0x03|0x0057) ncmd 1 status 0x00 hash 0x92219d9b447f2aa9dc12dda2ae7bae6a randomizer 0xb1948d0febe4ea38ce85c4e66313beba Signed-off-by: Szymon Janc <szymon.janc@tieto.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-11-19Bluetooth: Refactor locking in amp_physical_cfmAndrei Emeltchenko
Remove locking from l2cap_physical_cfm and lock chan inside amp_physical_cfm. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-11-19mac80211: make remain_on_channel() op pass vif paramEliad Peller
Drivers (e.g. wl12xx) might need to know the vif to roc on (mainly in order to configure the rx filters correctly). Add the vif to the op params, and update the current users (iwlwifi) to use the new api. Signed-off-by: Eliad Peller <eliad@wizery.com> [fix hwsim] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-19cfg80211: Add TDLS event to allow drivers to request operationsJouni Malinen
The NL80211_CMD_TDLS_OPER command was previously used only for userspace request for the kernel code to perform TDLS operations. However, there are also cases where the driver may need to request operations from userspace, e.g., when using security on the AP path. Add a new cfg80211 function for generating a TDLS operation event for drivers to request a new link to be set up (NL80211_TDLS_SETUP) or an existing link to be torn down (NL80211_TDLS_TEARDOWN). Drivers can optionally use these events, e.g., based on noticing data traffic being sent to a peer station that is seen with good signal strength. Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-19mac80211: support radiotap vendor namespace RX dataJohannes Berg
In some cases, in particular for experimentation, it can be useful to be able to add vendor namespace data to received frames in addition to the normal radiotap data. Allow doing this through mac80211 by adding fields to the RX status descriptor that describe the data while the data itself is prepended to the frame. Also add some example code to hwsim, but don't enable it because it doesn't use a proper OUI identifier. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-19Bluetooth: Fix updating advertising state flags and dataJohan Hedberg
This patch adds a callback for the HCI_LE_Set_Advertise_Enable command. The callback is responsible for updating the HCI_LE_PERIPHERAL flag updating as well as updating the advertising data flags field to indicate undirected connectable advertising. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-11-19Bluetooth: Add support for setting LE advertising dataJohan Hedberg
This patch adds support for setting basing LE advertising data. The three elements supported for now are the advertising flags, the TX power and the friendly name. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-11-19Bluetooth: Use proper invalid value for tx_powerJohan Hedberg
The core specification defines 127 as the "not available" value (well, "reserved" for BR/EDR and "not available" for LE - but essentially the same). Therefore, instead of testing for 0 (which is in fact a valid value) we should be using this invalid value to test if the tx_power is available. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-11-16Merge branch 'for-john' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
2012-11-14Merge branch 'for-upstream' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
2012-11-13mac80211: support RX_FLAG_MACTIME_ENDThomas Pedersen
Allow drivers to indicate their mactime is at RX completion and adjust for this in mac80211. Also rename the existing RX_FLAG_MACTIME_MPDU to RX_FLAG_MACTIME_START to clarify its intent. Based on similar code by Johannes Berg. Signed-off-by: Thomas Pedersen <thomas@cozybit.com> [fix docs, atheros drivers] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-09mac80211: clarify interface iteration and make it configurableJohannes Berg
During hardware restart, all interfaces are iterated even though they haven't been re-added to the driver, document this behaviour. The same also happens during resume, which is even more confusing since all of the interfaces were previously removed from the driver. Make this optional so drivers relying on the current behaviour can still use it, but to let drivers that don't want this behaviour disable it. Also convert all API users, keeping the old semantics except in hwsim, where the new normal ones are desired. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-09mac80211: call driver method when restart completesJohannes Berg
When the driver requests a restart (reconfiguration) it gets all the normal method calls, but can't really tell why they're happening. Call a new restart_complete op in the driver when the restart completes, so it could keep its own state about the restart and clear it there. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-06mac80211: pass P2P powersave parameters to driverJohannes Berg
While connected to a GO, parse the P2P NoA attribute and pass the CT Window and opportunistic powersave parameters to the driver. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-06wireless: add utility function to get P2P attributeJohannes Berg
Parsing the P2P attributes can be tricky as their contents can be split across multiple (vendor) IEs. Thus, it's not possible to parse them like IEs (by returning a pointer to the data.) Instead, provide a function that copies the attribute data into a caller-provided buffer and returns the size needed (useful in case the buffer was too small.) Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-05cfg80211: allow registering more than one beacon listenerBen Greear
The commit: commit 5e760230e42cf759bd923457ca2753aacf2e656e Author: Johannes Berg <johannes.berg@intel.com> Date: Fri Nov 4 11:18:17 2011 +0100 cfg80211: allow registering to beacons allowed only a single process to register for beacon events per wiphy. This breaks cases where a user may want two or more VIFs on a wiphy and run a seperate hostapd process on each vif. This patch allows multiple beacon listeners, fixing the regression. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-05nl/cfg80211: add the NL80211_CMD_SET_MCAST_RATE commandAntonio Quartulli
This command triggers a new callback: set_mcast_rate(). It enables the user to change the rate used to send multicast frames for vif configured as IBSS or MESH_POINT Signed-off-by: Antonio Quartulli <ordex@autistici.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-01Bluetooth: Fix parameter order of hci_get_routeJohan Hedberg
The actual parameter order of hci_get_route is (dst, src) and not (src, dst). All current callers use the right order but the header file shows the parameters in the wrong order. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-11-01Bluetooth: Rename ctrl_id to remote_amp_idAndrei Emeltchenko
Since we have started to use local_amp_id for local AMP Controller Id it makes sense to rename ctrl_id to remote_amp_id since it represents remote AMP controller Id. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-11-01Bluetooth: AMP: Use l2cap_physical_cfm in phylink complete evtAndrei Emeltchenko
When receiving HCI Phylink Complete event run amp_physical_cfm which initialize BR/EDR L2CAP channel associated with High Speed link and run l2cap_physical_cfm which shall send L2CAP Create Chan Request. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-11-01Bluetooth: Disconnect logical link when deleting chanAndrei Emeltchenko
Disconnect logical link for high speed channel hs_hchan associated with L2CAP channel chan. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-11-01Bluetooth: AMP: Process Disc Logical LinkAndrei Emeltchenko
Add processing for HCI Disconnection Logical Link Complete Event. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-11-01Bluetooth: AMP: Add Logical Link Create functionAndrei Emeltchenko
After physical link is created logical link needs to be created. The process starts after L2CAP channel is created and L2CAP Configuration Response with result PENDING is received. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-11-01Bluetooth: AMP: Process Logical Link complete evtAndrei Emeltchenko
After receiving HCI Logical Link Complete event finish EFS configuration by sending L2CAP Conf Response with success code. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>