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User-space pass the remote device address type to kernel through
struct sockaddr_l2 what makes the advertising useless. This patch
removes all advertising cache code.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Acked-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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In order to establish a LE connection we need the address type
information. User-space already pass this information to kernel
through struct sockaddr_l2.
This patch adds the dst_type parameter to l2cap_chan_connect so we
are able to pass the address type info from user-space down to
hci_conn layer.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Acked-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch adds the dst_type parameter to hci_connect function.
Instead of searching the address type in advertising cache, we
use the dst_type parameter to establish LE connections.
The dst_type is ignored for BR/EDR connection establishment.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Acked-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch moves the helper function bdaddr_to_le to hci_core, so it
can be used in mgmt.c and hci_conn.c.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Acked-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Since address type macros are not only related to Management
Interface anymore, it makes sense to rename the helper function
mgmt_to_le to bdaddr_to_le.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Acked-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Since address type macros are not only related to Management
Interface anymore, it makes sense to rename the helper function
link_to_mgmt to link_to_bdaddr.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Acked-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch moves address type macros to bluetooth.h since they will be
used by management interface and Bluetooth socket interface. It also
replaces the macro prefix MGMT_ADDR_ by BDADDR_.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Acked-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch removes unneeded variable assignments in hci_connect.
'sec_level' is already assigned to BT_SECURITY_LOW in hci_le_connect
and 'pending_sec_level' and 'auth_type' are assigned right after
if statement.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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As most LE devices leave advertising mode when they enter the connected
state, we may want to "pass" that connection to other users.
The first user will be the pairing procedure, the connection is
established without an associated socket, after the pairing is
complete, userspace may want to discover via GATT what services the
newly bonded device has.
If userspace establishes the connection while the timeout still
hasn't expired, the connection will be re-used.
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org>
Tested-by: João Paulo Rechi Vita <jprvita@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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The cid or psm and the source address might not be enough to uniquely
identify a global channel, especially when the source address is our
own.
For instance, when trying to communicate with two LE devices in master
mode, data received from the both devices is sent to the same socket.
Fix this by taking the destination address into account when choosing
the socket.
Signed-off-by: Ido Yariv <ido@wizery.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Tested-by: João Paulo Rechi Vita <jprvita@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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We allocate memory with kzalloc() so there is no need to call
memset(..., 0, ...) or similar.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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We currently initialize locks, lists, works, etc. in hci_register_dev()
(hci_alloc_dev() was added later) which is bogus because an hdev is in an
invalid state if it is not registered.
This patch moves all memory initialization to hci_alloc_dev(). Device
registering and registration of sub-modules is still left in
hci_register_dev() as it belongs there.
The benefit is (despite cleaning up the code-base) we can now always be
sure that an hdev is a valid object and can be locked and worked on even
though it may not be registered.
This patch also reorders the initialization to be easier to understand.
First the memory is initialized, then all generic structures and as last
step the sub-init functions are called. This guarantees that all
dependencies are initialized in the right order and makes it also easier
to find a specific line. We previously initialized it in the same order as
the "struct hci_dev" is declared which seems pretty random.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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alloc() and register() (and free() and unregister()) are closely related
so move them more closely together. This will also allow to move
functionality from register() to alloc() without needing
forward-declarations.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The SCO sockets are only identified by its address. So only allow one
SCO socket in listening state per address or BDADDR_ANY.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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Checking the source address in SCO bind function will prevent from
having an incoming and outgoing SCO socket. However that might be
needed in case of multiple SCO connections on a single device.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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When adding HCI devices hci_register_dev assigns the same name
hci1 for subsequently added AMP devices.
...
[ 6958.381886] sysfs: cannot create duplicate filename
'/devices/virtual/bluetooth/hci1
...
We assume id starts with the number we'll try to add the new device
and keep iterating until we find the proper place. The only difference
is we start with 0 for BR/EDR device and 1 for AMP devices (thus AMP
devices will never receive register as index 0). Then every hdev->id in
the _ordered_ list <= to the id we want we increment id and move the
variable head. In the end we'll have id as the first available one and
head is where you need to add hdev after to keep the list ordered.
Reported-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Ulisses Furquim <ulisses@profusion.mobi>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Sco_conn_add is called from two places and always with status = 0.
Signed-off-by: Lukasz Rymanowski <lukasz.rymanowski@tieto.com>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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Split the checks for sk->sk_state and sk->sk_type for SCO listen
sockets. This makes the code more readable.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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Split the checks for sk->sk_state and sk->sk_type for L2CAP listen
sockets. This makes the code more readable.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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SMP Keys should only be distributeed when encryption is successful.
Signed-off-by: Hemant Gupta <hemant.gupta@stericsson.com>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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It does make sense to print hdev name after allocation.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch fixes the address type while loading long term keys when BT is
switched on. Without this fix pairing is reinitated even though LTK
exists for remote device because of mismatch of address type.
Signed-off-by: Hemant Gupta <hemant.gupta@stericsson.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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Remove goto statements that do nothing else than jump to the next line
of code.
Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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By some reason this is not needed anymore.
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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The function already fails if the given size is greater than the MTU, so
there is no need to consider that case afterwards.
Signed-off-by: Mikel Astiz <mikel.astiz.oss@gmail.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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The involved values are all unsigned and thus unsigned int should be
used instead of signed int. Assigning ~0 to a signed int results in -1,
which is confusing and error-prone, while the code is trying to set the
maximum value possible.
The code still works because the C standard defines that unsigned
comparison will be performed in these cases, when comparing an unsigned
int and a signed int.
Signed-off-by: Mikel Astiz <mikel.astiz.oss@gmail.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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These functions encode or decode ERTM control fields (extended or
enhanced) to or from the new l2cap_ctrl structure.
Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
Acked-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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A sequence list is a data structure used to track frames that need to
be retransmitted, and frames that have been requested for
retransmission by the remote device. It can compactly represent a
list of sequence numbers within the ERTM transmit window. Memory for
the list is allocated once at connection time, and common operations
in ERTM are O(1).
Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Use ERR_PTR maginc instead.
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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Some parameters in L2CAP chan are set to default similar way in
socket based channels and A2MP channels. Adds common function which
sets all defaults.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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AMP Info will be used in Discovery Response.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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This patch adds management connect failed event when LE Create Connection
Command fails to inform user space that LE Connection failed to get
established.
Signed-off-by: Hemant Gupta <hemant.gupta@stericsson.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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This patch prevents resetting of discovery type while stopping
discovery, since otherwise the wrong type might be send in case of
discovery failure. It also doesn't matter that we are "lazy" with
updating the type since it is anyway reset when starting discovery again
and it's not needed to know the current discovery state.
Signed-off-by: Hemant Gupta <hemant.gupta@stericsson.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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This patch removes the MGMT_ADDR_INVALID macro. If the address type
isn't LE, we consider it is BR/EDR type.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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This patch updates the address type sent from kernel to management
interface of BlueZ while sending the Long Term Key.
Signed-off-by: Hemant Gupta <hemant.gupta@stericsson.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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Remove zero initialization since channel is allocated with kzalloc
in l2cap_chan_create.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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For each kernel release where commands or events are added to the
management interface, the revision field should be increment by one.
The increment should only happen once per kernel release and not
for every command/event that gets added. The revision value is for
informational purposes only, but this simple policy would make any
future debugging a lot simple.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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Following the separation if core and sock code this change avoid
manipulation of sk inside l2cap_chan_create().
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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Remove sparse warnings below:
...
net/bluetooth/l2cap_core.c:302:6: warning: symbol '__l2cap_chan_add' was
not declared. Should it be static?
net/bluetooth/l2cap_core.c:351:6: warning: symbol 'l2cap_chan_add' was
not declared. Should it be static?
...
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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set_chan_timer clears timer itself
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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This patch changes inquiry result function handlers so they ignore
inquiry result events if periodic inquiry is enabled.
Signed-off-by: Andre Guedes <aguedespe@gmail.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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This patch adds a HCI_PERIODIC_INQ check to start_discovery.
If periodic inquiry is enabled, we fail MGMT Start Discovery
command with MGMT_STATUS_BUSY code.
Signed-off-by: Andre Guedes <aguedespe@gmail.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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This patch adds the HCI_PERIODIC_INQ flag to dev_flags. This flag
tracks if periodic inquiry is enabled or not.
Signed-off-by: Andre Guedes <aguedespe@gmail.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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This patch adds a handler function to Periodic Inquiry command
complete event.
Signed-off-by: Andre Guedes <aguedespe@gmail.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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This patch does a trivial code refactoring in stop_discovery
function by using a switch statement instead of an if-return-else
approach.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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We should return -EALREADY in hci_cancel_inquiry since it is more
suitable than -EPERM error code.
Signed-off-by: Andre Guedes <aguedespe@gmail.com>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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Silence sparse warning shown below:
...
net/bluetooth/mgmt.c:448:15: warning: cast to restricted __le32
...
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
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Reply with MGMT_STATUS_INVALID_PARAMS when userspace is trying to set
source with out-of-scope value.
Signed-off-by: Szymon Janc <szymon.janc@tieto.com>
Acked-by: Gustavo Padovan <gustavo@padovan.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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Signed-off-by: Szymon Janc <szymon.janc@tieto.com>
Acked-by: Gustavo Padovan <gustavo@padovan.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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This patch adds LE support to MGMT stop discovery command. So,
now we are able to cancel LE discovery procedures (LE-only and
interleaved).
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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