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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
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This reverts commit 35582ad9d342025653aaf28ed321bf5352488d7f.
This should not have been merged through this tree...
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Few minor comments.
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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We use the TLV flags as a handshake between the firmware
and the driver. These flags allow the firmware to advertise
its capabilities and API version.
Since we are running short of bits, we add a new
infrastructure which is more scalable, yet backward
compatible.
We make now the difference between API changes and the
capabilities. Both can have an index which allows to scale
at will.
Signed-off-by: Eran Harary <eran.harary@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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This define is a leftover from dvm (in mvm, it
was replaced by MVM_UCODE_ALIVE_TIMEOUT).
Signed-off-by: Inbal Hacohen <Inbal.Hacohen@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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These values aren't used as the firmware values should be used,
so reading them is pointless and hides potential errors when
somebody uses these values. Leave them zero to make it clearer
that they can't be used. We can't remove the struct members as
the DVM driver does read the values from EEPROM/OTP and the
structure is shared between drivers.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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We should be iterating hdev->identity_resolving_keys in the
hci_remove_irk() function instead of hdev->long_term_keys. This patch
fixes the issue.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Error codes returned by cfg80211_chandef_dfs_required() are ignored
when trying to join an IBSS. Fix this by printing an error and
returning.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We don't have to double check whether the parameters passed to
cfg80211_can_use_iftype_chan() are correct. We should just make sure
they *are* when we call this function.
Remove the radar_detect argument check in
cfg80211_can_use_iftype_chan() to simplify the code.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
[keep braces around a long comment + single statement]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Since mesh support for DFS channels was added, we also need to check
for DFS channels when performing a channel switch with
NL80211_IFTYPE_MESHPOINT.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
[use switch statement, slight code cleanup]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Previously we were warning and using automatic when a driver sent an
update request with SMPS off. This patch makes it possible for
drivers to disable SMPS at runtime, for whatever reason.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add the ieee80211_iface_limit and the ieee80211_iface_combination
structures to docbook. Reformat the examples of combinations
slightly, so it looks a bit better on docbook.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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docbook (or one of its friends) gets confused with semi-colons in the
argument descriptions, causing it to think that the semi-colon is
marking a new section in the description of addr_mask in wiphy struct.
Prevent this by using hyphens instead of semi-colons in the mask
example.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Introduce NL80211_RRF_AUTO_BW rule flag. If this flag set
maximum available bandwidth should be calculated base on
contiguous rules and wider channels will be allowed to cross
multiple contiguous/overlapping frequency ranges.
In case of old kernels maximum bandwidth from regulatory
rule will be used, while there is no NL80211_RRF_AUTO_BW flag.
This fixes the previous commit 9752482083066af7ac18a5ca376f
("cfg80211: regulatory introduce maximum bandwidth calculation")
which was found to be a problem for userspace API compatibility.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
[edit commit log, use sizeof()]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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With the addition of Resolvable Private Address (RPA) resolution
support for Bluetooth Low Energy connections, it makes sense to
increase the minor version of the Bluetooth core module.
The module version is not used anywhere, but it gives a nice extra
hint 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 testing purposes it is useful to provide an option to change the
advertising channel map. So add a debugfs option to allow this.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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When binding RFCOMM socket with non-zero channel we're checking if
there is already any other socket which has the same channel number
assigned and then fail. This check does not consider situation where
we have another socket connected to remote device on given channel
number in which case we still should be able to bind local socket.
This patch changes __rfcomm_get_sock_by_addr() to return only sockets
in either BT_BOUND or BT_LISTEN states, also name is updated to better
describe what this function does now.
Signed-off-by: Andrzej Kaczmarek <andrzej.kaczmarek@tieto.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Collect statistics regarding rates and aggregations in Rx
frames and export the data via debugfs.
Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Newer firmware support a new bit in the policy that allows
to request to apply the time event immediately. Add this bit
without removing the workarounds we used until now to support
older firmares.
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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In case the firmware didn't assert but we want to restart
it, e.g. we didn't get the reply for a host command, or the
Tx queues are stuck, we should stop the firmware by
provoking an interrupt. This allows to better debug the
firmware in these bad scenarios.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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iwl_parse_nvm_data() doesn't free allocated memory if it is
fed with invalid parameter. Fix this.
Signed-off-by: Eytan Lifshitz <eytan.lifshitz@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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In order to solve races with sched_scan_stop, it is necessary
for the driver to be able to return an error to propagate that
to cfg80211 so it doesn't send an event.
Reviewed-by: Alexander Bondar <alexander.bondar@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Due to userspace assumptions, the sched_scan_stop operation must
be synchronous, i.e. once it returns a new scheduled scan must be
able to start immediately. Document this in the API.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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While framing the TDLS Setup Confirmation frame, the driver needs to
know if the TDLS peer is VHT/HT/WMM capable and thus shall construct
the VHT/HT operation / WMM parameter elements accordingly. Supplicant
determines if the TDLS peer is VHT/HT/WMM capable based on the
presence of the respective IEs in the received TDLS Setup Response frame.
The host driver should not need to parse the received TDLS Response
frame and thus, should be able to rely on the supplicant to indicate
the capability of the peer through additional flags while transmitting
the TDLS Setup Confirmation frame through tdls_mgmt operations.
Signed-off-by: Sunil Dutt Undekari <usdutt@qti.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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For Bluetooth controllers with LE support, track the value of the
currently configured random address. It is important to know what
the current random address is to avoid unneeded attempts to set
a new address. This will become important when introducing the
LE privacy support in the future.
In addition expose the current configured random address via
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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The own_address_type debugfs option does not providing enough
flexibity for interacting with the upcoming LE privacy support.
What really is needed is an option to force using the static address
compared to the public address. The new force_static_address debugfs
option does exactly that. In addition it is also only available when
the controller does actually have a public address. For single mode
LE only controllers this option will not be available.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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The code itself is not descriptive on what store hint is used for
long term keys and why. So add some extensive comment here. Similar
to what has already been done for identity resolving key store hint.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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The identity resolving keys should only be stored for devices using
resolvable random addresses. If the device is already using an
identity address, inform it about the new identity resolving key,
but tell userspace that this key is not persistent.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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This patch adds the necessary helper function to send the New IRK mgmt
event and makes sure that the function is called at when SMP key
distribution has completed. The event is sent before the New LTK event
so user space knows which remote device to associate with the keys.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch moves the SMP Long Term Key notification over mgmt from the
hci_add_ltk function to smp.c when both sides have completed their key
distribution. This way we are also able to update the identity address
into the mgmt_new_ltk event.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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As preparation to do mgmt notification in a single place at the end of
the key distribution, store the keys that need to be notified within the
SMP context.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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It's simpler (one less if-statement) to just evaluate the appropriate
value for store_hint in the mgmt_new_ltk function than to pass a boolean
parameter to the function. Furthermore, this simplifies moving the mgmt
event emission out from hci_add_ltk in subsequent patches.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The SMP code will need to postpone the mgmt event emission for the IRK
and LTKs. To avoid extra lookups at the end of the key distribution
simply return the added value from the add_ltk and add_irk functions.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The various pieces of data cached in the hci_dev structure do not need
to be allocated using GFP_ATOMIC since they are never added from
interrupt context. This patch updates these allocations to use
GFP_KERNEL instead.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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During LE connection establishment the value 0x0000 is used for min/max
connection event length. So use the same value when the peripheral is
requesting an update of the the connection paramters.
For some reason the value 0x0001 got used in the connection update and
0x0000 in the connection creation. Using the same value for both just
makes sense.
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 identity resolving
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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When the connection attempt fails, the address information are not
provided in the HCI_LE_Connection_Complete event. So use the original
information from the connection to reconstruct the identity address.
This is important when a connection attempt has been made using the
identity address, but the cached resolvable random address has changed
in the meantime. The failure event needs to use the identity address
and not the resolvable random address.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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When reporting connect failed events to userspace, use the address
of the connection and not the address from the HCI event.
This change is strictly speaking not needed since BR/EDR does not
have the concept of resolvable random addresses. It is more for
making the code consistent.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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When the remote device has been successfully connected, report the
identity address (public address or static random address).
Currently the address from the HCI_LE_Connection_Complete event is
used. This was no problem so far, but since now known resolvable
random addresses are converted into identities, it is important to
use the identity of the connection and not the address report by
HCI event.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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Silently dropping L2CAP data (i.e. due to remote device not obeying
negotiated MTU) is confusing and makes debugging harder.
Signed-off-by: Szymon Janc <szymon.janc@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Whenever a device uses an RPA we want to have user space identify it by
its Identity Address if we've got an IRK available for it. This patch
updates the Device Found mgmt event to contain the Identity Address if
an IRK is available for the device in question.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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We need to check whether there's a matching IRK and RPA when we're
requested to connect to a remote LE device based on its Identity
Address. This patch updates the hci_connect_le function to do an extra
call to hci_find_irk_by_addr and uses the RPA if it's cached. This is
particularly important once we start exposing the Identity Address to
user space instead of the RPA in events such as Device Connected and
Device Found.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Identity Addresses are either public or static random. When looking up
addresses based on the Identity Address it doesn't make sense to go
through the IRK list if we're given a private random address. This patch
fixes (or rather improves) the hci_find_irk_by_addr function to bail out
early if given a private random address.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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When we initiate pairing through mgmt_pair_device the code has so far
been waiting for a successful HCI Encrypt Change event in order to
respond to the mgmt command. However, putting privacy into the play we
actually want the key distribution to be complete before replying so
that we can include the Identity Address in the mgmt response.
This patch updates the various hci_conn callbacks for LE in mgmt.c to
only respond in the case of failure, and adds a new mgmt_smp_complete
function that the SMP code will call once key distribution has been
completed.
Since the smp_chan_destroy function that's used to indicate completion
and clean up the SMP context can be called from various places,
including outside of smp.c, the easiest way to track failure vs success
is a new flag that we set once key distribution has been successfully
completed.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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When we receive a remote identity address during SMP key distribution we
should ensure that any associated L2CAP channel instances get their
address information correspondingly updated (so that e.g. doing
getpeername on associated sockets returns the correct address).
This patch adds a new L2CAP core function l2cap_conn_update_id_addr()
which is used to iterate through all L2CAP channels associated with a
connection and update their address information.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Since we want user space to see and use the LE Identity Address whenever
interfacing with the kernel it makes sense to track that instead of the
real address (the two will only be different in the case of an RPA).
This patch adds the necessary updates to when an LE connection gets
established and when receiving the Identity Address from a remote
device.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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