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* Bluetooth: Remove unneeded mgmt_write_scan_failed functionJohan Hedberg2014-07-10
| | | | | | | | | | The Set Connectable/Discoverable mgmt handlers use a hci_request with a proper callback to handle the HCI command sending. It makes therefore little sense to have this extra function to be called from hci_event.c for command failures. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Remove unneeded mgmt_discoverable functionJohan Hedberg2014-07-10
| | | | | | | | | | | Since the HCISETSCAN ioctl is the only non-mgmt user we care about for setting the right discoverable state we can simply do the necessary updates in the ioctl handler function instead. This then allows the removal of the mgmt_discoverable function and should simplify that state handling considerably. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Remove unneeded mgmt_connectable functionJohan Hedberg2014-07-10
| | | | | | | | | | | The mgmt_connectable function has been used to ensure that the right actions to HCI_CONNECTABLE are taken when the HCI_Write_Scan_Enable command is triggered by something else than mgmt. The only other user that we really care about is the HCISETSCAN ioctl code, so we can actually more simply perform the needed changes there instead. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Fix setting HCI_CONNECTABLE from ioctl codeJohan Hedberg2014-07-09
| | | | | | | | | | | When the white list is in use the code would not update the HCI_CONNECTABLE flag if it gets changed through the ioctl code (e.g. hciconfig hci0 pscan). Since the flag is important for properly accepting incoming connections add code to fix it up if necessary and emit a New Settings mgmt event. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Introduce a whitelist for BR/EDR devicesJohan Hedberg2014-07-09
| | | | | | | | | | | This patch extends the Add/Remove device commands by letting user space pass BR/EDR addresses to them. The resulting entries get stored in a new hdev->whitelist list. The idea is that we can now selectively accept connections from devices in the list even though HCI_CONNECTABLE is not set (the actual implementation of this is coming in a subsequent patch). Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Unify helpers for bdaddr_list manipulationsJohan Hedberg2014-07-09
| | | | | | | | | | | | We already have several lists with struct bdaddr_list entries, and there will be more in the future. Since the operations for adding, removing, looking up and clearing entries in these lists are exactly the same it doesn't make sense to define new functions for every single list. This patch unifies the functions by passing the list_head to them instead of a hci_dev pointer. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Fix enabling Authenticated Payload Timeout Expired eventMarcel Holtmann2014-07-09
| | | | | | | | | | | The Authenticated Payload Timeout Expired event is valid for controllers with BR/EDR Secure Connections support, but also for LE only controllers supporting LE Ping feature. When either of them is available enable this event. Previous it was not enabled when the controller was only supporting LE operation. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
* Bluetooth: Remove unnecessary mgmt_advertising functionJohan Hedberg2014-07-08
| | | | | | | | | Since the real advertising state is now tracked with its own flag we can simply set/unset the HCI_ADVERTISING flag in the set_advertising_complete function. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Add flag to track the real advertising stateJohan Hedberg2014-07-08
| | | | | | | | | | | Having a single HCI_ADVERTISING flag is problematic since it tries to track both the real advertising state and the corresponding mgmt setting. To make the logic simpler and more reliable add a new flag that only tracks the actual advertising state that has been written to the controller. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Pass desired connection role to hci_connect_le()Johan Hedberg2014-07-07
| | | | | | | | | | | | | If we have both LE scanning and advertising simultaneously enabled we need a way to tell hci_connect_le() in which role to initiate a connection. This patch adds a new parameter to the function to give it the necessary information. For auto-connect and mgmt_pair_device we always use master role, whereas for L2CAP users (in practice sockets) we use slave role whenever HCI_ADVERTISING is set and master role otherwise. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Remove auth_type parameter from hci_connect_le()Johan Hedberg2014-07-07
| | | | | | | | | | | The auth_type value which gets assigned to hci_conn->auth_type is something that's only used for BR/EDR connections and is of no value for LE connections. It makes therefore little sense to pass it to the hci_connect_le() function. This patch removes the parameter from the function. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Use lower timeout for LE auto-connectionsJohan Hedberg2014-07-06
| | | | | | | | | | | | | When we establish connections as a consequence of receiving an advertising report it makes no sense to wait the normal 20 second LE connection timeout. This patch modifies the hci_connect_le function to take an extra timeout value and uses a lower 2 second timeout for the auto-connection case. This timeout is intentionally chosen to be just a bit higher than the 1.28 second timeout that High Duty Cycle Advertising uses. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Add support for changing the public device addressMarcel Holtmann2014-07-06
| | | | | | | | | | | | | | This adds support for changing the public device address. This feature is required by controllers that do not provide a public address and have HCI_QUIRK_INVALID_BDADDR set. Even if a controller has a public device address, this is useful when an embedded system wants to use its own value. As long as the driver provides the set_bdaddr callback, this allows changing the device address before powering on the controller. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
* Bluetooth: Run controller setup after external configurationMarcel Holtmann2014-07-06
| | | | | | | | | | | | | | | | | | | When the external configuration triggers the switch to a configured controller, it means the setup needs to be run. Controllers that start out unconfigured have only run limited set of HCI commands. This is not enough for complete operation and thus run the setup procedure before announcing the new controller index. This introduces HCI_CONFIG flag as companion to HCI_SETUP flag. The HCI_SETUP flag is only used once for the initial setup procedure. And during that procedure hdev->setup driver callback is called. With the new HCI_CONFIG the switch from unconfigured to configured state is triggering the same setup procedure just without hdev->setup. This is required since bringing a controller back to unconfigured state from configured state is possible. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
* Bluetooth: Fix sending Device Removed when clearing all parametersJohan Hedberg2014-07-06
| | | | | | | | | | | | When calling Device Remove with BDADDR_ANY we should in a similar way emit Device Removed events as we do when removing a single device. Since we have to iterate the list and call device_removed() the dedicated hci_conn_params_clear_enabled() is not really useful anymore. This patch removes the helper function and does the event emission and list item removal in a single loop. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Store Bluetooth address from controller setupMarcel Holtmann2014-07-05
| | | | | | | | | During the setup phase of a controller, the Bluetooth address will be read and to have that original address available for later use, store it as setup address. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
* Bluetooth: Add support for New Configuration Options management eventMarcel Holtmann2014-07-04
| | | | | | | | When one or more of the missing configuration options change, then send this even to all the other management interface clients. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
* Bluetooth: Add support for Set External Configuration management commandMarcel Holtmann2014-07-04
| | | | | | | | | The Set External Configuration management command allows for switching between configured and unconfigured start if HCI_QURIK_EXTERNAL_CONFIG is set by the transport driver. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
* Bluetooth: Add quirk for external configuration requirementMarcel Holtmann2014-07-04
| | | | | | | | When a controller requires external configuration, then setting this quirk will allow indicating this. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
* Bluetooth: Add quirk for invalid controller address settingMarcel Holtmann2014-07-04
| | | | | | | | | | | When a Bluetooth controller does not have a valid public Bluetooth address, then allow the driver to indicate this. If the quirk is set, the Bluetooth core will switch to unconfigured state first and will allow userspace to configure the address before starting the full initialization of the controller. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
* Bluetooth: Document the existing device quirksMarcel Holtmann2014-07-04
| | | | | | | | | The current existing device quirks are not documented. So instead of spreading bits and pieces somewhere in the code, add proper comments on where these quirks can be used and what behavior they change. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
* Bluetooth: Fix constant for public address configurationMarcel Holtmann2014-07-04
| | | | | | | | | The public address configuration option is value 0x02 since the generic external configuration is value 0x01. So adjust this accordingly and also add the value 0x01 to the list. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
* Bluetooth: Make hci_pend_le_conn_lookup more general purposedJohan Hedberg2014-07-04
| | | | | | | | | In some circumstances we need to look up entries in pend_le_conns and in other in pend_le_reports. This patch converts the existing lookup function for pend_le_conns to something that can be used for both lists. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Remove unused hci_pend_le_conn_add functionJohan Hedberg2014-07-04
| | | | | | | | Since there are no more users of this function we can simply go ahead and remove it. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Fix clearing and restarting all LE actions on power cycleJohan Hedberg2014-07-04
| | | | | | | | | | | | When powering off (hci_dev_do_close) we should clear both the pend_le_reports and pend_le_conns types of entries. When powering on respectively we should populate both lists. This patch converts the hci_pend_le_conns_clear() function into hci_pend_le_actions_clear() (which can now be static) and converts the restart_le_auto_conns() function into restart_le_actions(). Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Remove unused hci_pend_le_conn_del() functionJohan Hedberg2014-07-04
| | | | | | | | Now that there are no-longer any users of the hci_pend_le_conn_del() function we can simply go ahead and remove it. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Convert pend_le_reports into a listJohan Hedberg2014-07-04
| | | | | | | | | To simplify manipulation and lookup of hci_conn_params entries of the type HCI_AUTO_CONN_REPORT it makes sense to store them in their own list. The new action list_head in hci_conn_params is used for this purpose. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Convert pend_le_conn list to a generic action listJohan Hedberg2014-07-04
| | | | | | | | | | | In preparation to store also HCI_AUTO_CONN_REPORT entries in a list it makes sense to convert the existing pend_le_conn list head of hci_conn_params into a more generically named "action". This makes sense because a parameter entry will never participate in more than one action list. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Add support for controller configuration info commandMarcel Holtmann2014-07-04
| | | | | | | | | The Read Controller Configuration Information command allows retrieving details about possible configurations option. The supported options are returned and also the missing options (if any). Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
* Bluetooth: Use hci_conn_params in pend_le_connsJohan Hedberg2014-07-03
| | | | | | | | | | | Since the connection parameters are always a basis for adding entries to hdev->pend_le_conns (so far of type bdaddr_list) it's simpler and more efficient to have the parameters themselves be the entries in the pend_le_conns list. We do this by adding another list_head to the hci_conn_params struct. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Track number of added devices with HCI_AUTO_CONN_REPORTJohan Hedberg2014-07-03
| | | | | | | | | | | To be able to make the right choice of whether to start passive scanning or to send out a mgmt_device_found event we need to know if there are any devices in the le_conn_params list with the auto_connect value set to HCI_AUTO_CONN_REPORT. This patch adds a counter for this kind of devices. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Add support for Read Unconfigured Index List commandMarcel Holtmann2014-07-03
| | | | | | | | This command allows to get the list of currently known controller that are in unconfigured state. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
* Bluetooth: Add support for Unconfigured Index Removed eventsMarcel Holtmann2014-07-03
| | | | | | | | When a controller in an unconfigured state gets removed, then send Unconfigured Index Removed events. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
* Bluetooth: Add support for Unconfigured Index Added eventsMarcel Holtmann2014-07-03
| | | | | | | | | | When a controller is in unconfigured state it is currently hidden from the management interface. This change now announces the new controller with an Unconfigured Index Added event and allows clients to easily detect the controller. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
* Bluetooth: Introduce unconfigured controller stateMarcel Holtmann2014-07-03
| | | | | | | | | | | | | | | | With the new unconfigured controller state it is possible to provide a fully functional HCI transport, but disable the higher level operations that would normally happen. This way userspace can try to configure the controller before releases the unconfigured state. The internal state is represented by HCI_UNCONFIGURED. This replaces the HCI_QUIRK_RAW_DEVICE quirk as internal state representation. This is now a real state and drivers can use the quirk to actually trigger this state. In the future this will allow a more fine grained switching from unconfigured state to configured state for controller inititialization. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
* Bluetooth: Make is_identity_address a global functionJohan Hedberg2014-07-03
| | | | | | | | | There are more places that can take advantage of is_identity_address() besides hci_core.c. This patch moves the function to hci_core.h and gives it the appropriate hci_ prefix. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Pass store hint to mgmt_new_conn_paramJohan Hedberg2014-07-03
| | | | | | | | | | The calling functions of mgmt_new_conn_param have more information about the parameters, such as whether the kernel is tracking them or not. It makes therefore sense to have them pass an initial store_hint value to the mgmt_new_conn_param function. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Make hci_le_conn_update return the store hintJohan Hedberg2014-07-03
| | | | | | | | | | | The caller of hci_le_conn_update is directly interested in knowing what the best value is for the store_hint parameter of the corresponding mgmt event. Since hci_le_conn_update knows whether there were stored parameters that were updated or not we can have it return an initial store_hint value to the caller. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Add Load Connection Parameters commandJohan Hedberg2014-07-03
| | | | | | | | | This patch implements the new Load Connection Parameters mgmt command that's intended to load the desired connection parameters for LE devices. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Add new auto_conn value matching mgmt action 0x00Johan Hedberg2014-07-03
| | | | | | | | | The 0x00 action value of mgmt means "scan and report" but do not connect. This is different from HCI_AUTO_CONN_DISABLED so we need a new value for it. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Add specific connection parameter clear functionsJohan Hedberg2014-07-03
| | | | | | | | | In some circumstances we'll need to either clear only the enabled parameters or only the disabled ones. This patch adds convenience functions for this purpose. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Rename hci_conn_params_clear to hci_conn_params_clear_allJohan Hedberg2014-07-03
| | | | | | | | | We'll soon have specific clear functions for clearing enabled or disabled entries, so rename the function that removes everything to clear_all(). Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Add support for hdev->set_bdaddr callback handlingMarcel Holtmann2014-07-03
| | | | | | | | | Some embedded controllers allow the programming of a public address and this adds vendor support for supporting OEM confguration of such addresses. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
* Bluetooth: Introduce "New Connection Parameter" EventAndre Guedes2014-07-03
| | | | | | | | | | | | | | | | | This patch introduces a new Mgmt event called "New Connection Parameter". This event indicates to userspace the connection parameters values the remote device requested. The user may store these values and load them into kernel. This way, next time a connection is established to that device, the kernel will use those parameters values instead of the default ones. This event is sent when the remote device requests new connection parameters through connection parameter update procedure. This event is not sent for slave connections. Signed-off-by: Andre Guedes <andre.guedes@openbossa.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Enable new LE meta eventAndre Guedes2014-07-03
| | | | | | | | | | The Bluetooth 4.1 introduces a new LE meta event called "LE Remote Connection Parameter Request" event. In order to the controller sends this event to host, we should enable it during controller initialization. Signed-off-by: Andre Guedes <andre.guedes@openbossa.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Connection Parameter Update ProcedureAndre Guedes2014-07-03
| | | | | | | | | | | | | | | This patch adds support for LE Connection Parameters Request Link Layer control procedure introduced in Core spec 4.1. This procedure allows a Peripheral or Central to update the Link Layer connection parameters of an established connection. Regarding the acceptance of connection parameters, the LL procedure follows the same approach of L2CAP procedure (see l2cap_conn_param_ update_req function). We accept any connection parameters values as long as they are within the valid range. Signed-off-by: Andre Guedes <andre.guedes@openbossa.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Fix redundant device (un)blocked eventsJohan Hedberg2014-07-03
| | | | | | | | | | | | | | | | | | | | For the Block/Unblock Device mgmt commands we should only emit the Blocked/Unblocked events on any socket except for the one which received the command. The code was previously incorrectly trying to look up a non-existent pending command and thereby ending up not skipping the command socket for the event. We can simplify the code a lot by simply sending the event directly from the command handler functions. We have the reference to the command socket available there which makes it easy to pass to the mgmt_event function for skipping. The only notable side-effect of this is that the old blacklisting ioctl's no-longer cause mgmt events to be emitted, however as user space versions using these ioctl's are not mgmt-aware this is acceptable. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Add flag to track STK encryptionJohan Hedberg2014-07-03
| | | | | | | | | | There are certain subtle differences in behavior when we're encrypted with the STK, such as allowing re-encryption even though the security level stays the same. Because of this, add a flag to track whether we're encrypted with an STK or not. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Add support for Not Connectable flag for Device Found eventsMarcel Holtmann2014-07-03
| | | | | | | | | | | The Device Found events of the management interface should indicate if it is possible to connect to a remote device or if it is broadcaster only advertising. To allow this differentation the Not Connectable flag is introduced that will be set when it is known that a device can not be connected. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
* Bluetooth: Provide flags parameter direct to mgmt_device_foundMarcel Holtmann2014-07-03
| | | | | | | | | | | | | Providing the flags parameter directly to mgmt_device_found function makes the core simpler and more readable. With this it becomes a lot easier to add new flags in the future. This also changes hci_inquiry_cache_update to just return that flags needed for mgmt_device_found since that is its only use for the two return parameters anyway. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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