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Since rdev->sched_scan_req is dereferenced outside the
lock protecting it, this might be done at the wrong
time, causing crashes. Move the dereference to where
it should be - inside the RTNL locked section.
Cc: stable@vger.kernel.org [3.8+]
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This patch updates the Set Discoverable management command to also be
applicable for LE. In particular this affects the advertising flags
where we can say "general discoverable" or "limited discoverable".
Since the device flags may not be up-to-date when the advertising data
is written this patch introduces a get_adv_discov_flags() helper
function which also looks at any pending mgmt commands (a pending
set_discoverable would be the exception when the flags are not yet
correct).
The patch also adds HCI_DISCOVERABLE flag clearing to the
mgmt_discoverable_timeout function, since the code was previously
relying on the mgmt_discoverable callback to handle this, which is only
called for the BR/EDR-only HCI_Write_Scan_Enable command.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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We'll soon be introducing also LE support for the Set Discoverable
management command, so move the HCI_LIMITED_DISCOVERABLE flag clearing
and setting out from the if-branch that is only used for a BR/EDR
specific HCI command.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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We should only send the HCI_Write_Scan_Enable command from
mgmt_set_powered_failed() when BR/EDR support is enabled. This is
particularly important when the discoverable setting is also tied to LE.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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We will soon need this function for updating the advertising data, so
move it higher up in mgmt.c to avoid a forward declaration.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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It is possible that the Set Connectable management command doesn't cause
any HCI commands to send (such as when BR/EDR is disabled). We can't
just send a response to user space in this case but must also update the
necessary device flags and settings. This patch fixes the issue by using
the recently introduced set_connectable_update_settings function.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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We will need to directly update the device flags and notify user space
of the new settings not just when we're powered off but also if it turns
out that there are no HCI commands to send (which can happen in
particular when BR/EDR is disabled). Since this is a considerable amount
of code, refactor it to a separate function so it can be reused for the
"no HCI commands to send" case.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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We shouldn't be sending the HCI_Write_Class_Of_Device command when
BR/EDR is disabled since this is a BR/EDR-only command.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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It's better to check for the device flag instead of device features so
that we avoid unnecessary HCI commands when the feature is supported but
disabled (i.e. the flag is unset).
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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It's better to check for the device flag instead of device features so
that we avoid unnecessary HCI commands when the feature is supported but
disabled (i.e. the flag is unset).
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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A few variable assignments ended up with missing a space between the
variable and equal sign.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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The uuid entry struct is used for the UUID byte stream. That is
actually the wrong value. The correct value is uuid->uuid.
Besides fixing this up, use the %pUb modifier to print the UUID
string. However since the UUID is stored in big endian with
reversed byte order, change the byte order before printing.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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The Device Under Test (DUT) mode is useful for doing certification
testing and so expose this as debugfs option.
This mode is actually special since you can only enter it. Restoring
normal operation means that a HCI Reset is required. The current mode
value gets tracked as a new device flag and when disabling it, the
correct command to reset the controller is sent.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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For testing purposes expose the default LE connection interval values
via debugfs.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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Enabling and disabling SSP debug mode is useful for development. This
adds a debugfs entry that allows to configure the SSP debug mode.
On purpose this has been implemented as debugfs entry and not a public
API since it is really only useful during testing and development.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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The conn->interval parameter of HCI connections is not used at all
and so just remove it.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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For LE capable controllers at the special LE features page to the
debugfs list with all the other features pages.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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The system can be figured to accept and use debug keys. Expose this
value in debugfs for debugging purposes.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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For some testing it is important to know the current own addres type,
but also be able to change it. The change is lost over powery cycles
and only intended for debugging.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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The own address type is based on the fact if the controller has
a public address or not. This means that this detail can be just
configured once during setup phase.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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For debugging purposes expose the current list of long term keys
via debugfs. This file is read-only and limited to root access.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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Knowing the white list size information is important for
debugging. So export it via debugfs.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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The bus information are exposed in the actual hierarchy and should
not be exposed as attribute.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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For debugging purposes expose the current list of link keys via
debugfs. This file is read-only and limited to root access.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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The class of device debugfs information should be directly exported
from hci_core.c and so move them over there.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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The local version information from the controller can not change
since they are static. So store them only once during setup
phase and not bother overwriting them every time this command
gets executed.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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Move the debugfs entries for manufacturer, hci_ver and hci_rev into
hci_core.c and use the new helpers for static entries that will not
change at runtime. Once passed the setup procedure, they will stay
fixed.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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The debug entry for connection features is incomplete and also does
not work with AMP controllers and physical links. So just remove it.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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Some controllers list the max_page value from the extended features
response as 0 when SSP has not yet been enabled. To workaround this
issue, force the max_page value to 1 when SSP support has been
detected.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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Move the handling of HCI device features debugfs into hci_core.c and
also extend it with handling of multiple feature pages.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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Use the module_pci_driver() macro to make the code simpler
by eliminating module_init and module_exit calls.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The PCI and SoC specific drivers are using separate
code now so it is not reasonable to use the same
module for both drivers anymore.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The 'rt2800pci_hwcrypt_disabled' function is the
only PCI specific callback which is used by the
SoC driver. Create a clone of that to get rid of
the dependency.
Even though the two functions are using the same
variable, but the SoC specific code will be moved
into a separate module which will have its own
'modparam_nohwcrypt' variable.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Move the function into the rt2800mmio module, in order
to make it usable from other modules.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The function is called for PCI and SoC devices
however the MCU related part of the function
has no effect on SoC devices. Move the common
part of the function into a separate helper and
use that for the SoC devices.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The function contain code for SoC devices only.
Rename the function to 'rt2800soc_disable_radio'
and move it to the SoC specific section. Use
the renamed function in the SoC specific code
only and remove the 'if rt2x00_is_soc(rt2x00dev)'
condition from the function body.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The 'rt2800pci_set_state' function uses MCU commands
to set the device state, however these have no effect
on SoC devices. Use a different set_state callback
which does not use the MCU fcuntions.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Use empty firmware callbacks for SoC devices because those
don't require firmware.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Rename the 'rt2800pci_read_eeprom_soc function' to
'rt2800soc_read_eeprom' and use that directly in the
SoC specific 'rt2800_ops' structure. Also move the
'rt2800pci_eeprom_read' function into an 'ifdef PCI'
section and remove the 'rt2800pci_read_eeprom_soc'
call from that.
Additionally, remove the dummy inline eeprom functions.
Those are not used anymore.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This makes it possible to use different callback
functions for PCI and SoC devices which will allow
to move the SoC driver into a separate module.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Move the functions into a separate module, in order
to make those usable from other modules.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The functions are used for devices with memory
mapped I/O and contain no PCI specific code at
all. Use rt2800mmio prefix instead of rt2800pci
in the function names to reflect that.
The patch contains no functional changes.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Move the functions into a separate module, in order
to make those usable from other modules. Also move
the queue register offset macros from rt2800pci.h
into rt2800mmio.h.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The functions are used for devices with memory
mapped I/O and contain no PCI specific code at
all. Use rt2800mmio prefix instead of rt2800pci
in the function names to reflect that.
The patch contains no functional changes.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Move the functions into a separate module, in order
to make those usable from other modules.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The functions are used for devices with memory
mapped I/O and contain no PCI specific code at
all. Use rt2800mmio prefix instead of rt2800pci
in the function names to reflect that.
The patch contains no functional changes.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Move the functions into a separate module, in order
to make those usable from other modules. Also move
the RX descriptor related defines from rt2800pci.h
into rt2800mmio.h
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The functions are used for devices with memory
mapped I/O and contain no PCI specific code at
all. Use rt2800mmio prefix instead of rt2800pci
in the function names to reflect that.
The patch contains no functional changes.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Move the functions into a separate module, in order
to make those usable from other modules. Also move
the TX descriptor related defines from rt2800pci.h
into rt2800mmio.h.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The functions are used for devices with memory
mapped I/O and contain no PCI specific code at
all. Use rt2800mmio prefix instead of rt2800pci
in the function names to reflect that.
The patch contains no functional changes.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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