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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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This patch fixes sending an unnecessary HCI_Write_SSP_Mode command if
the command has already been sent as part of the default HCI init
sequence.
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>
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This patch adds a flag to be used for LE GAP Peripheral role. In this
role undirected advertising will be enabled and operations not allowed
in Peripheral role (such as scanning and initiating connections) will be
disallowed.
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>
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This patch adds missing feature test macros needed for various use cases
and also sorts the macros according to the feature bit location in the
feature mask (for easy lookup).
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>
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Replace list_for_each with list_for_each_entry() helper
Signed-off-by: Denis Kirjanov <kirjanov@gmail.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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This patch adds the reading of the LE advertising channel TX power to
the HCI init sequence of LE-capable controllers. This data will be used
e.g. for inclusion in the advertising data packets when advertising is
enabled.
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>
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Channel moves are triggered by changes to the BT_CHANNEL_POLICY
sockopt when an ERTM or streaming-mode channel is connected.
Moves are only started if enable_hs is true.
Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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The move response command includes a result code indicating
"pending", "success", or "failure" status. A pending result is
received when the remote address is still setting up a physical link,
and will be followed by success or failure. On success, logical link
setup will proceed. On failure, the move is stopped. The receiver of
a move channel response must always follow up by sending a move
channel confirm command.
Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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On an AMP controller, hci_chan maps to a logical link. When a channel
is being moved, the logical link may or may not be connected already.
The hci_chan->state is used to determine the existance of a useable
logical link so the link can be either used or requested.
Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Acked-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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An L2CAP channel using high speed continues to be associated with a
BR/EDR l2cap_conn, while also tracking an additional hci_conn
(representing a physical link on a high speed controller) and hci_chan
(representing a logical link). There may only be one physical link
between two high speed controllers. Each physical link may contain
several logical links, with each logical link representing a channel
with specific quality of service.
During a channel move, the destination channel id, current move state,
and role (initiator vs. responder) are tracked and used by the channel
move state machine. The ident value associated with a move request
must also be stored in order to use it in later move responses.
The active channel is stored in local_amp_id.
Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
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>
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When assigning amp_mgr in hci_conn (type AMP_LINK) get also reference.
In hci_conn_del those references would be put for both conn types
AMP_LINK and ACL_LINK associated with amp_mgr.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Check flags type in switch statement and handle new frame
type ACL_COMPLETE used for High Speed data over AMP.
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>
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When DEFER_SETUP is set defer() will trigger an authorization
request to the userspace.
l2cap_chan_no_defer() is meant to be used when one does not want to
support DEFER_SETUP (A2MP for example).
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Handle AMP link when setting up disconnect timeout.
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>
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AMP_LINK represents physical link between AMP controllers.
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>
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hci_chan will be identified by handle used in logical link creation
process. This handle is used in AMP ACL-U packet handle field.
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>
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When AMP_LINK timeouts execute HCI_OP_DISCONN_PHY_LINK as analog to
HCI_OP_DISCONNECT for ACL_LINK.
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>
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There are two Flush Timeouts: one is old Flush Timeot Option
which is 2 octets and the second is Flush Timeout inside EFS
which is 4 octets long.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Maximum PDU size is defined by new BT Spec as 1492 octets.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Reviewed-by: Mat Martineau <mathewm@codeaurora.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Add direction parameter to phylink_add since it is anyway set later.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Add ctrl_id parameter to amp_ctrl_add since we always set it
after function ctrl is created.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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This patch removes core_data member from hci_dev struct as it is unused.
Signed-off-by: Rami Rosen <ramirose@gmail.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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batostr is not needed anymore since for printing Bluetooth
addresses we use %pMR specifier.
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>
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When receiving HCI Command Status event for Accept Physical Link
execute HCI Write Remote AMP Assoc with data saved from A2MP Create
Physical Link Request.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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When receiving A2MP Create Physical Link message execute HCI
Accept Physical Link command to AMP controller.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Channel Selected event indicates that link information data is available.
Read it with Read Local AMP Assoc command. The data shall be sent in the
A2MP Create Physical Link Request.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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When there is no remote AMP controller found fallback to normal
L2CAP sequence.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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When receiving HCI Command Status after HCI Create Physical Link
execute HCI Write Remote AMP Assoc command to AMP controller.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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When receiving A2MP Get AMP Assoc Response execute HCI Create Physical
Link to AMP controller. Define function which will run when receiving
HCI Command Status.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Function calculates AMP keys using hmac_sha256 helper. Calculated keys
are Generic AMP Link Key (gamp) and Dedicated AMP Link Key with
keyID "802b" for 802.11 PAL.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Choose which L2CAP connection to establish by checking support
for HS and remote side supported features.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Create remote AMP controllers structure. It is used to keep information
about discovered remote AMP controllers by A2MP protocol.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Define physical link structures. Physical links are represented by
hci_conn structure. For BR/EDR we use type ACL_LINK and for AMP
we use AMP_LINK.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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When receiving A2MP Get AMP Assoc Request execute Read Local AMP Assoc
HCI command to AMP controller. If the AMP Assoc data is larger than it
can fit to HCI event only fragment is read. When all fragments are read
send A2MP Get AMP Assoc Response.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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When receiving A2MP Get Info Request execute Read Local AMP Info HCI
command to AMP controller with function to be executed upon receiving
command complete event. Function will handle A2MP Get Info Response.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Andrei Emeltchenko
Gustavo Padovan
Frédéric Dalleau
Szymon Janc
Johan Hedberg
Denis Kirjanov
Mat Martineau
Rami Rosen