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: NAndrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

Process L2CAP Config rsp Pending with FCS Option 0x00 (No FCS)
which is sent by Motorola Windows 7 Bluetooth stack. The trace
is shown below (all other options are skipped).

...
< ACL data: handle 1 flags 0x00 dlen 48
    L2CAP(s): Config req: dcid 0x0043 flags 0x00 clen 36
      ...
      FCS Option 0x00 (No FCS)
> ACL data: handle 1 flags 0x02 dlen 48
    L2CAP(s): Config req: dcid 0x0041 flags 0x00 clen 36
      ...
      FCS Option 0x01 (CRC16 Check)
< ACL data: handle 1 flags 0x00 dlen 47
    L2CAP(s): Config rsp: scid 0x0043 flags 0x00 result 4 clen 33
      Pending
      ...
> ACL data: handle 1 flags 0x02 dlen 50
    L2CAP(s): Config rsp: scid 0x0041 flags 0x00 result 4 clen 36
      Pending
      ...
      FCS Option 0x00 (No FCS)
< ACL data: handle 1 flags 0x00 dlen 14
    L2CAP(s): Config rsp: scid 0x0043 flags 0x00 result 0 clen 0
      Success
> ACL data: handle 1 flags 0x02 dlen 14
    L2CAP(s): Config rsp: scid 0x0041 flags 0x00 result 0 clen 0
      Success
...
Signed-off-by: NAndrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

If L2CAP_FEAT_FCS is not supported we sould miss EWS option
configuration because of break. Make code more readable by
combining FCS configuration in the single block.
Signed-off-by: NAndrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

Before starting quering remote AMP controllers make sure
that there is local active AMP controller.
Signed-off-by: NAndrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

After getting HCIDEVDOWN controller did not mark itself as 0x00 which
means: "The Controller radio is available but is currently physically
powered down". The result was even if the hdev was down we return
in controller list value 0x01 "status 0x01 (Bluetooth only)".
Signed-off-by: NAndrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

l2cap_send_disconn_req takes 3 parameters of which conn might be
derived from chan. Make this conversion inside l2cap_send_disconn_req.
Signed-off-by: NAndrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

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: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

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: NFrédéric Dalleau <frederic.dalleau@linux.intel.com>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

This option will set the BT_SK_DEFER_SETUP bit in socket flags.
Signed-off-by: NFrédéric Dalleau <frederic.dalleau@linux.intel.com>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

We need to cancel the hci_power_on work in order to avoid it run when we
try to free the hdev.

[ 1434.201149] ------------[ cut here ]------------
[ 1434.204998] WARNING: at lib/debugobjects.c:261 debug_print_object+0x8e/0xb0()
[ 1434.208324] ODEBUG: free active (active state 0) object type: work_struct hint: hci
_power_on+0x0/0x90
[ 1434.210386] Pid: 8564, comm: trinity-child25 Tainted: G        W    3.7.0-rc5-next-
20121112-sasha-00018-g2f4ce0e #127
[ 1434.210760] Call Trace:
[ 1434.210760]  [<ffffffff819f3d6e>] ? debug_print_object+0x8e/0xb0
[ 1434.210760]  [<ffffffff8110b887>] warn_slowpath_common+0x87/0xb0
[ 1434.210760]  [<ffffffff8110b911>] warn_slowpath_fmt+0x41/0x50
[ 1434.210760]  [<ffffffff819f3d6e>] debug_print_object+0x8e/0xb0
[ 1434.210760]  [<ffffffff8376b750>] ? hci_dev_open+0x310/0x310
[ 1434.210760]  [<ffffffff83bf94e5>] ? _raw_spin_unlock_irqrestore+0x55/0xa0
[ 1434.210760]  [<ffffffff819f3ee5>] __debug_check_no_obj_freed+0xa5/0x230
[ 1434.210760]  [<ffffffff83785db0>] ? bt_host_release+0x10/0x20
[ 1434.210760]  [<ffffffff819f4d15>] debug_check_no_obj_freed+0x15/0x20
[ 1434.210760]  [<ffffffff8125eee7>] kfree+0x227/0x330
[ 1434.210760]  [<ffffffff83785db0>] bt_host_release+0x10/0x20
[ 1434.210760]  [<ffffffff81e539e5>] device_release+0x65/0xc0
[ 1434.210760]  [<ffffffff819d3975>] kobject_cleanup+0x145/0x190
[ 1434.210760]  [<ffffffff819d39cd>] kobject_release+0xd/0x10
[ 1434.210760]  [<ffffffff819d33cc>] kobject_put+0x4c/0x60
[ 1434.210760]  [<ffffffff81e548b2>] put_device+0x12/0x20
[ 1434.210760]  [<ffffffff8376a334>] hci_free_dev+0x24/0x30
[ 1434.210760]  [<ffffffff82fd8fe1>] vhci_release+0x31/0x60
[ 1434.210760]  [<ffffffff8127be12>] __fput+0x122/0x250
[ 1434.210760]  [<ffffffff811cab0d>] ? rcu_user_exit+0x9d/0xd0
[ 1434.210760]  [<ffffffff8127bf49>] ____fput+0x9/0x10
[ 1434.210760]  [<ffffffff81133402>] task_work_run+0xb2/0xf0
[ 1434.210760]  [<ffffffff8106cfa7>] do_notify_resume+0x77/0xa0
[ 1434.210760]  [<ffffffff83bfb0ea>] int_signal+0x12/0x17
[ 1434.210760] ---[ end trace a6d57fefbc8a8cc7 ]---

Cc: stable@vger.kernel.org
Reported-by: NSasha Levin <sasha.levin@oracle.com>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

This patch fixes the following report, it happens when accepting rfcomm
connections:

[  228.165378] =============================================
[  228.165378] [ INFO: possible recursive locking detected ]
[  228.165378] 3.7.0-rc1-00536-gc1d5dc4a #120 Tainted: G        W
[  228.165378] ---------------------------------------------
[  228.165378] bluetoothd/1341 is trying to acquire lock:
[  228.165378]  (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+...}, at:
[<ffffffffa0000aa0>] bt_accept_dequeue+0xa0/0x180 [bluetooth]
[  228.165378]
[  228.165378] but task is already holding lock:
[  228.165378]  (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+...}, at:
[<ffffffffa0205118>] rfcomm_sock_accept+0x58/0x2d0 [rfcomm]
[  228.165378]
[  228.165378] other info that might help us debug this:
[  228.165378]  Possible unsafe locking scenario:
[  228.165378]
[  228.165378]        CPU0
[  228.165378]        ----
[  228.165378]   lock(sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM);
[  228.165378]   lock(sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM);
[  228.165378]
[  228.165378]  *** DEADLOCK ***
[  228.165378]
[  228.165378]  May be due to missing lock nesting notation

Cc: stable@vger.kernel.org
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

OOB authentication mechanism should be used only if pairing process
has been activated by previous OOB information exchange (Core Spec
4.0 , vol. 1, Part A, 5.1.4.3). Stored OOB data for specific device
should be removed if that device was discovered in band later on.
Signed-off-by: NSzymon Janc <szymon.janc@tieto.com>
Acked-by: NJohan Hedberg <johan.hedberg@intel.com>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

When receiving L2CAP Create Channel Request set the channel as
L2CAP_FCS_NONE. Then in "L2CAP Config req" following field will
be set: "FCS Option 0x00 (No FCS)". So by default High Speed
channels have no FCS.
Signed-off-by: NAndrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

Instead of printing:
"[ 7763.082007] Bluetooth: 2"
print something like:
"[ 7763.082007] Bluetooth: Trailing bytes: 2 in sframe"
Signed-off-by: NAndrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

local_amp_id is used in l2cap_physical_cfm and shall be set up
before calling it.
Signed-off-by: NAndrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: NMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

When receiving Physical Link Completed event we need to create L2CAP
channel with L2CAP Create Chan Request. Current code was sending
this command only if connection was pending (which is probably
needed in channel move case). If channel is not moved but created
Create Chan should be sent for outgoing channel which is checked
with BT_CONNECT flag.
Signed-off-by: NAndrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: NMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

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: NSzymon Janc <szymon.janc@tieto.com>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

Vendor-specific ID for BCM20702A0.
Support for bluetooth over Asus Wi-Fi GO!, included with Asus P8Z77-V
Deluxe.

T:  Bus=07 Lev=02 Prnt=02 Port=00 Cnt=01 Dev#=  3 Spd=12  MxCh= 0
D:  Ver= 2.00 Cls=ff(vend.) Sub=01 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=0b05 ProdID=17b5 Rev=01.12
S:  Manufacturer=Broadcom Corp
S:  Product=BCM20702A0
S:  SerialNumber=94DBC98AC113
C:  #Ifs= 4 Cfg#= 1 Atr=e0 MxPwr=0mA
I:  If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=01 Prot=01 Driver=(none)
I:  If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=(none)
I:  If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
I:  If#= 3 Alt= 0 #EPs= 0 Cls=fe(app. ) Sub=01 Prot=01 Driver=(none)

Cc: stable@vger.kernel.org
Signed-off-by: NJeff Cook <jeff@deserettechnology.com>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

Signed-off-by: NAndrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: NMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

Set chan->fcs to L2CAP_FCS_NONE only for new L2CAP channels
(not moved). Other side can still request to use FCS.
Signed-off-by: NAndrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: NMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

Remove locking from l2cap_physical_cfm and lock chan inside
amp_physical_cfm.
Signed-off-by: NAndrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: NMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

local_amp_id is already set in l2cap_connect() which is called several
lines above.
Signed-off-by: NAndrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: NMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

Use helper instead of test_bit. This is the only place left using
test CONF_CONNECT_PEND flag.
Signed-off-by: NAndrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: NMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

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: NJohan Hedberg <johan.hedberg@intel.com>
Acked-by: NMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

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: NJohan Hedberg <johan.hedberg@intel.com>
Acked-by: NMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

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: NJohan Hedberg <johan.hedberg@intel.com>
Acked-by: NMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: NGustavo Padovan <gustavo.padovan@collabora.co.uk>

2484 Mhz (Japan) usage requires filter coefficients to
be programmed in the CCK TX FIR registers. This is required
for AR9331, AR9485 and AR9462. Fix this and also remove
a few useless macros and a duplicate variable.
Signed-off-by: NSujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

There's no need to ask the user about lib80211
since it will be selected by drivers requiring
it, hide it from Kconfig.
Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

The driver doesn't use any lib80211 symbols
so it shouldn't select it in Kconfig.
Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
Acked-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

Using eth_zero_addr() to assign zero address insetad of
memset() or an inefficient copy from a static array.
Signed-off-by: NWei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

Remove unnecessary if statements because libipw_set_geo always
returns success.  Also change function's return value from int
to void.
Signed-off-by: NStanislav Yakovlev <stas.yakovlev@gmail.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

Removing obsolete functions and prototypes. Moving (and renaming)
defines to place with similar definitions. Removing unnecessary
includes.
Reviewed-by: NArend Van Spriel <arend@broadcom.com>
Reviewed-by: NPieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: NHante Meuleman <meuleman@broadcom.com>
Signed-off-by: NFranky Lin <frankyl@broadcom.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

When debug is turned on for fwil then the whole data buffer is
dumped. In some cases this gives excessive amount of debug. With
this patch the dumps are limited to 64 bytes.
Reviewed-by: NArend Van Spriel <arend@broadcom.com>
Signed-off-by: NHante Meuleman <meuleman@broadcom.com>
Signed-off-by: NFranky Lin <frankyl@broadcom.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

On sdio module unload followed by load (without removing the
device) the access window should be moved back to enumeration
space. Force this by removing initialisation of sbwad during
probe.
Reviewed-by: NArend Van Spriel <arend@broadcom.com>
Reviewed-by: NPieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: NHante Meuleman <meuleman@broadcom.com>
Signed-off-by: NFranky Lin <frankyl@broadcom.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

brcmf_ops_sdio_probe used the private_date func->card->dev to
store device data of brcmfmac sdio. This is not a good place to
store the data. Use dev of func and use func->card->sdio_func
to group the functions the driver is using.
Reviewed-by: NArend Van Spriel <arend@broadcom.com>
Reviewed-by: NPieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: NHante Meuleman <meuleman@broadcom.com>
Signed-off-by: NFranky Lin <frankyl@broadcom.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

on sdio remove the bus_if should be configured for close, so
new data from higher layers will be blocked. Also the access
to bus_if in the watchdog should be checked for null pointer
access on sdio remove.
Reviewed-by: NArend Van Spriel <arend@broadcom.com>
Reviewed-by: NPieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: NHante Meuleman <meuleman@broadcom.com>
Signed-off-by: NFranky Lin <frankyl@broadcom.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

when brcmf_sdbrcm_probe_attach results in error then cleanup
will result in null pointer access. In brcmf_sdbrcm_release and
in brcmf_ops_sdio_remove. This patch fixes order of init and
de-init.
Reviewed-by: NArend Van Spriel <arend@broadcom.com>
Reviewed-by: NPieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: NHante Meuleman <meuleman@broadcom.com>
Signed-off-by: NFranky Lin <frankyl@broadcom.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

In brcmf_sdbrcm_probe only error ELINK is seen as error. However
brcmf_bus_start can return many more error codes and all should
result in failed init of driver.
Reviewed-by: NArend Van Spriel <arend@broadcom.com>
Reviewed-by: NPieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: NHante Meuleman <meuleman@broadcom.com>
Signed-off-by: NFranky Lin <frankyl@broadcom.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

The IF event need special care. It can be either an ADD, DEL, or
CHANGE. For an ADD we need to call brcmf_add_if() before the
event handler call. Upon a DEL we need to call brcmf_del_if()
after the event handler call. CHANGE does not require special
attention.
Reviewed-by: NHante Meuleman <meuleman@broadcom.com>
Reviewed-by: NPieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: NArend van Spriel <arend@broadcom.com>
Signed-off-by: NFranky Lin <frankyl@broadcom.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

Firmware fires IF event to add the primary interface but that
is already created in the driver.
Reviewed-by: NPieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: NHante Meuleman <meuleman@broadcom.com>
Signed-off-by: NArend van Spriel <arend@broadcom.com>
Signed-off-by: NFranky Lin <frankyl@broadcom.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>