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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Conflicts:
drivers/net/wireless/iwlwifi/pcie/trans.c
net/mac80211/ibss.c
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Jouni reported that with mac80211_hwsim, multicast TX was causing
crashes due to invalid vif->cab_queue assignment. It turns out that
this is caused by change_interface() getting invoked and not having
the vif->type/vif->p2p assigned correctly before calling the queue
check (ieee80211_check_queues). Fix this by passing the 'external'
interface type to the function and adjusting it accordingly.
While at it, also fix the error path in change_interface, it wasn't
correctly resetting to the external type but using the internal one
instead.
Fortunately this affects on hwsim because all other drivers set the
vif->type/vif->p2p variables when changing iftype. This shouldn't
be needed, but almost all implementations actually do it for their
own internal handling.
Reported-by: Jouni Malinen <j@w1.fi>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Seth reports that some APs, notably the Netgear WNDAP360, send
invalid ECSA IEs in probe response frames with the operating
class and channel number both set to zero, even when no channel
switch is being done. As a result, any scan while connected to
such an AP results in the connection being dropped.
Fix this by ignoring any channel switch announcment in probe
response frames entirely, since we're connected to the AP we
will be receiving a beacon (and maybe even an action frame) if
a channel switch is done, which is sufficient.
Cc: stable@vger.kernel.org # 3.10
Reported-by: Seth Forshee <seth.forshee@canonical.com>
Tested-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add flags intended to report various auxiliary information
and introduce the NL80211_RXMGMT_FLAG_ANSWERED flag to report
that the frame was already answered by the device.
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
[REPLIED->ANSWERED, reword commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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According to 802.11-2012 9.3.2.10, paragraph 4, QoS
data frames with a group address in the Address 1 field
have sequence numbers allocated from the same counter
as non-QoS data and management frames. Without this
flag, some drivers may not assign sequence numbers, and
in rare cases frames might get dropped. Set the control
flag accordingly.
Signed-off-by: Bob Copeland <bob@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Previously, the mesh STA responds to probe request from legacy STA
but now it will only respond to legacy STA if the legacy STA does include
the specific mesh ID or wildcard mesh ID in the probe request.
The iw patch "iw: scan using meshid" can be used either by legacy STA
or by mesh STA to do active scanning by inserting the mesh ID in the
probe request frame.
Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@cozybit.com>
Acked-by: Thomas Pedersen <thomas@cozybit.com>
Acked-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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mac80211 currently sets WIPHY_FLAG_SUPPORTS_SCHED_SCAN based on whether
the start_sched_scan operation is supported or not, but that will not
be correct for all drivers, we're adding scheduled scan to the iwlmvm
driver but it depends on firmware support.
Therefore, move setting WIPHY_FLAG_SUPPORTS_SCHED_SCAN into the drivers
so that they can control it regardless of implementing the operation.
This currently only affects the TI drivers since they're the only ones
implementing scheduled scan (in a mac80211 driver.)
Acked-by: Luciano Coelho <luca@coelho.fi>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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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
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Sujith reports that my commit af61a165187bb94b1dc7628ef815c23d0eacf40b
("mac80211: add control port protocol TX control flag") broke ath9k
(aggregation). The reason is that I made minstrel_ht use the flag in
the TX status path, where it can have been overwritten by the driver.
Since we have no more space in info->flags, revert that part of the
change for now, until we can reshuffle the flags or so.
Reported-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When initiating a transparent eSCO connection, make use of T2 settings
at first try. T2 is the recommended settings from HFP 1.6 WideBand
Speech. Upon connection failure, try T1 settings.
When CVSD is requested and eSCO is supported, try to establish eSCO
connection using S3 settings. If it fails, fallback in sequence to S2,
S1, D1, D0 settings.
To know which setting should be used, conn->attempt is used. It
indicates the currently ongoing SCO connection attempt and can be used
as the index for the fallback settings table.
These setting and the fallback order are described in Bluetooth HFP 1.6
specification p. 101.
Signed-off-by: Frédéric Dalleau <frederic.dalleau@linux.intel.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Synchronous Connection Complete event can return error "Connection
Rejected due to Limited resources (0x10)".
Handling this error is required for SCO connection fallback. This error
happens when the server tried to accept the connection but failed to
negotiate settings.
This error code has been verified experimentally by sending a T2 request
to a T1 only SCO listener.
Client dump follows :
< HCI Command (0x01|0x0028) plen 17 [hci0] 3.696064
Handle: 12
Transmit bandwidth: 8000
Receive bandwidth: 8000
Max latency: 13
Setting: 0x0003
Retransmission effort: Optimize for link quality (0x02)
Packet type: 0x0380
> HCI Event (0x0f) plen 4 [hci0] 3.697034
Setup Synchronous Connection (0x01|0x0028) ncmd 1
Status: Success (0x00)
> HCI Event (0x2c) plen 17 [hci0] 3.736059
Status: Connection Rejected due to Limited Resources (0x0d)
Handle: 0
Address: xx:xx:xx:xx:xx:AB (OUI 70-F3-95)
Link type: eSCO (0x02)
Transmission interval: 0x0c
Retransmission window: 0x06
RX packet length: 60
TX packet length: 60
Air mode: Transparent (0x03)
Server dump follows :
> HCI Event (0x04) plen 10 [hci0] 4.741513
Address: xx:xx:xx:xx:xx:D9 (OUI 20-68-9D)
Class: 0x620100
Major class: Computer (desktop, notebook, PDA, organizers)
Minor class: Uncategorized, code for device not assigned
Networking (LAN, Ad hoc)
Audio (Speaker, Microphone, Headset)
Telephony (Cordless telephony, Modem, Headset)
Link type: eSCO (0x02)
< HCI Command (0x01|0x0029) plen 21 [hci0] 4.743269
Address: xx:xx:xx:xx:xx:D9 (OUI 20-68-9D)
Transmit bandwidth: 8000
Receive bandwidth: 8000
Max latency: 13
Setting: 0x0003
Retransmission effort: Optimize for link quality (0x02)
Packet type: 0x03c1
> HCI Event (0x0f) plen 4 [hci0] 4.745517
Accept Synchronous Connection (0x01|0x0029) ncmd 1
Status: Success (0x00)
> HCI Event (0x2c) plen 17 [hci0] 4.749508
Status: Connection Rejected due to Limited Resources (0x0d)
Handle: 0
Address: xx:xx:xx:xx:xx:D9 (OUI 20-68-9D)
Link type: eSCO (0x02)
Transmission interval: 0x0c
Retransmission window: 0x06
RX packet length: 60
TX packet length: 60
Air mode: Transparent (0x03)
Signed-off-by: Frédéric Dalleau <frederic.dalleau@linux.intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Older Bluetooth devices may not support Setup Synchronous Connection or
SCO transparent data. This is indicated by the corresponding LMP feature
bits. It is not possible to know if the adapter support these features
before setting BT_VOICE option since the socket is not bound to an
adapter. An adapter can also be added after the socket is created. The
socket can be bound to an address before adapter is plugged in.
Thus, on a such adapters, if user request BT_VOICE_TRANSPARENT, outgoing
connections fail on connect() and returns -EOPNOTSUPP. Incoming
connections do not fail. However, they should only be allowed depending
on what was specified in Write_Voice_Settings command.
EOPNOTSUPP is choosen because connect() system call is failing after
selecting route but before any connection attempt.
Signed-off-by: Frédéric Dalleau <frederic.dalleau@linux.intel.com>
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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In order to establish a transparent SCO connection, the correct settings
must be specified in the Setup Synchronous Connection request. For that,
a setting field is added to ACL connection data to set up the desired
parameters. The patch also removes usage of hdev->voice_setting in CVSD
connection and makes use of T2 parameters for transparent data.
Signed-off-by: Frédéric Dalleau <frederic.dalleau@linux.intel.com>
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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When an incoming eSCO connection is requested, check the selected voice
setting and reply appropriately. Voice setting should have been
negotiated previously. For example, in case of HFP, the codec is
negotiated using AT commands on the RFCOMM channel. This patch only
changes replies for socket with deferred setup enabled.
Signed-off-by: Frédéric Dalleau <frederic.dalleau@linux.intel.com>
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 extends the current Bluetooth socket options with BT_VOICE.
This is intended to choose voice data type at runtime. It only applies
to SCO sockets. Incoming connections shall be setup during deferred
setup. Outgoing connections shall be setup before connect(). The desired
setting is stored in the SCO socket info. This patch declares needed
members, modifies getsockopt() and setsockopt().
Signed-off-by: Frédéric Dalleau <frederic.dalleau@linux.intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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From Bluetooth Core v4.0 specification, 7.1.8 Accept Connection Request
Command "When accepting synchronous connection request, the Role
parameter is not used and will be ignored by the BR/EDR Controller."
Signed-off-by: Frédéric Dalleau <frederic.dalleau@linux.intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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hci_connect is a super function for connecting hci protocols. But the
voice_setting parameter (introduced in subsequent patches) is only
needed by SCO and security requirements are not needed for SCO channels.
Thus, it makes sense to have a separate function for SCO.
Signed-off-by: Frédéric Dalleau <frederic.dalleau@linux.intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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In rfcomm_tty_cleanup we purge the dlc->tx_queue which may contain
socket buffers referencing the tty_port and thus preventing the tty_port
destruction.
Signed-off-by: Gianluca Anzolin <gianluca@sottospazio.it>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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The tty_port can be released in two cases: when we get a HUP in the
functions rfcomm_tty_hangup() and rfcomm_dev_state_change(). Or when the
user releases the device in rfcomm_release_dev().
In these cases we set the flag RFCOMM_TTY_RELEASED so that no other
function can get a reference to the tty_port.
The use of !test_and_set_bit(RFCOMM_TTY_RELEASED) ensures that the
'initial' tty_port reference is only dropped once.
The rfcomm_dev_del function is removed becase it isn't used anymore.
Signed-off-by: Gianluca Anzolin <gianluca@sottospazio.it>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Implement .activate, .shutdown and .carrier_raised methods of tty_port
to manage the dlc, moving the code from rfcomm_tty_install() and
rfcomm_tty_cleanup() functions.
At the same time the tty .open()/.close() and .hangup() methods are
changed to use the tty_port helpers that properly call the
aforementioned tty_port methods.
Signed-off-by: Gianluca Anzolin <gianluca@sottospazio.it>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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Move the tty_struct initialization from rfcomm_tty_open() to
rfcomm_tty_install() and do the same for the cleanup moving the code from
rfcomm_tty_close() to rfcomm_tty_cleanup().
Add also extra error handling in rfcomm_tty_install() because, unlike
.open()/.close(), .cleanup() is not called if .install() fails.
Signed-off-by: Gianluca Anzolin <gianluca@sottospazio.it>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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The current code removes the device from the device list in several
places. Do it only in the destructor instead and in the error path of
rfcomm_add_dev() if the device couldn't be initialized.
Signed-off-by: Gianluca Anzolin <gianluca@sottospazio.it>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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In net/bluetooth/rfcomm/tty.c the struct tty_struct is used without
taking references. This may lead to a use-after-free of the rfcomm tty.
Fix this by taking references properly, using the tty_port_* helpers
when possible.
The raw assignments of dev->port.tty in rfcomm_tty_open/close are
addressed in the later commit 'rfcomm: Implement .activate, .shutdown
and .carrier_raised methods'.
Signed-off-by: Gianluca Anzolin <gianluca@sottospazio.it>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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In case of a Low Energy only controller it makes no sense to configure
the full BR/EDR event mask. It will just enable events that can not be
send anyway and there is no guarantee that such a controller will accept
this value.
Use event mask 0x90 0xe8 0x04 0x02 0x00 0x80 0x00 0x20 for LE-only
controllers which enables the following events:
Disconnection Complete
Encryption Change
Read Remote Version Information Complete
Command Complete
Command Status
Hardware Error
Number of Completed Packets
Data Buffer Overflow
Encryption Key Refresh Complete
LE Meta
This is according to Core Specification, Part E, Section 3.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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When a socket is in deferred state there does actually exist an
underlying connection even though the connection state is not yet
BT_CONNECTED. In the deferred state it should therefore be allowed to
get socket options that usually depend on a connection, such as
SCO_OPTIONS and SCO_CONNINFO.
This patch fixes the behavior of some user space code that behaves as
follows without it:
$ sudo tools/btiotest -i 00:1B:DC:xx:xx:xx -d -s
accept=2 reject=-1 discon=-1 defer=1 sec=0 update_sec=0 prio=0 voice=0x0000
Listening for SCO connections
bt_io_get(OPT_DEST): getsockopt(SCO_OPTIONS): Transport endpoint is not connected (107)
Accepting connection
Successfully connected to 60:D8:19:xx:xx:xx. handle=43, class=000000
The conditions that the patch updates the if-statements to is taken from
similar code in l2cap_sock.c which correctly handles the deferred state.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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my earlier patch "mac80211: change IBSS channel state to chandef"
created a regression by ignoring the channel parameter in
__ieee80211_sta_join_ibss, which breaks IBSS channel selection. This
patch fixes this situation by using the right channel and adopting the
selected bandwidth mode.
Cc: stable@vger.kernel.org
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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brcm80211 cannot handle sending frames with CCK rates as part of an
A-MPDU session. Other drivers may have issues too. Set the flag in all
drivers that have been tested with CCK rates.
This fixes a reported brcmsmac regression introduced in
commit ef47a5e4f1aaf1d0e2e6875e34b2c9595897bef6
"mac80211/minstrel_ht: fix cck rate sampling"
Cc: stable@vger.kernel.org # 3.10
Reported-by: Tom Gundersen <teg@jklm.no>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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IBSS needs to release the channel context when leaving
but I evidently missed that. Fix it.
Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
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In order to be able to (securely) keep connections alive after
the system was suspended for WoWLAN, we need some additional
APIs. We already have API (ieee80211_gtk_rekey_notify) to tell
wpa_supplicant about the new replay counter if GTK rekeying
was done by the device while the host was asleep, but that's
not sufficient.
If GTK rekeying wasn't done, we need to tell the host about
sequence counters for the GTK (and PTK regardless of rekeying)
that was used while asleep, add ieee80211_set_key_rx_seq() for
that.
If GTK rekeying was done, then we need to be able to disable
the old keys (with ieee80211_remove_key()) and allocate the
new GTK key(s) in mac80211 (with ieee80211_gtk_rekey_add()).
If protocol offload (e.g. ARP) is implemented, then also the
TX sequence counter for the PTK must be updated, using the new
ieee80211_set_key_tx_seq() function.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Channel Switch will later require to generate beacons without setting
them immediately. Therefore split the presp generation in an own
function. Splitting the original very long function might be a good idea
anyway.
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This patch decouples the power save processing from the frame decryption
by running the decrypt rx handler after sta_process. In the case where
the decryption failed for some reason, the stack used to not process
the PM and MOREDATA bits for that frame. The stack now always performs
power save processing regardless of the decryption result. That means that
encrypted data frames and NULLFUNC frames are now handled in the same way
regarding power save processing, making the stack more robust.
Signed-off-by: Johan Almbladh <ja@anyfi.net>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
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Function regulator_enable() may return an error that has to be checked.
This patch changes function rfkill_regulator_set_block() so that it checks
for the return code. Also, rfkill_data->reg_enabled is set to 'true' only
if there is no error.
This fixes the following compilation warning:
net/rfkill/rfkill-regulator.c:43:20: warning: ignoring return value of 'regulator_enable', declared with attribute warn_unused_result [-Wunused-result]
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Neil Brown reports that with libertas, my recent cfg80211
SME changes in commit ceca7b7121795ef81bd598a240d53a92566
("cfg80211: separate internal SME implementation") broke
libertas suspend because it we now asked it to disconnect
while already disconnected.
The problematic change is in cfg80211_disconnect() as it
previously checked the SME state and now calls the driver
disconnect operation unconditionally.
Fix this by checking if there's a current_bss indicating
a connection, and do nothing if not.
Reported-and-tested-by: Neil Brown <neilb@suse.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There are a few places which check nl80211hdr_put() for an ERR_PTR
but actually it returns NULL on error and never error values. In
nl80211_testmode_dump() the return wasn't checked at all so I have
added one.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
[some whitespace changes]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The secure element state was not updated from the enable/disable ops,
leaving the SE state to disabled for ever.
Signed-off-by: Arron Wang <arron.wang@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Another typo from the initial commit where we check for the secure
element type field instead of its state when enabling or disabling it.
Signed-off-by: Arron Wang <arron.wang@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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There is a cut and paste bug so we enable a second time instead of
disabling.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Result is added as an NFC_ATTR_FIRMWARE_DOWNLOAD_STATUS attribute
containing the standard errno positive value of the completion result.
This event will be sent when the firmare download operation is done and
will contain the operation result.
Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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This API must be called by NFC drivers, and its prototype was
incorrectly placed.
Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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In order to fetch the discovered secure elements from an NFC controller,
we need to send a netlink command that will dump the list of available
SEs from NFC.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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This is a typo coming from the initial implementation. se_discover fails
when it returns something different than zero and we should only display
a warning in that case.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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In some cases mac80211 will scan before creating an IBSS
even if bssid and frequency have been forced by the user.
This is not needed and leads only to a delay in the IBSS
establishment phase.
Immediately create the cell if both bssid and frequency
(and fixed_freq is set) have been specified.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Pass the wdev from cfg80211 on to the driver as the vif
if given and it's valid for the driver.
Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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To allow drivers to implement per-interface testmode operations
more easily, pass a wdev pointer if any identification for one
was given from userspace. Clean up the code a bit while at it.
Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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A lot of drivers check the frame protocol for ETH_P_PAE,
for various reasons (like making those more reliable).
Add a new flags bitmap to the TX control info and a new
flag indicating the control port protocol is in use to
let all drivers also apply such logic to other control
port protocols, should they be configured.
Also use the new flag in the iwlwifi drivers.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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