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When connectable mode is enabled (page scan on) through some non-mgmt
method the HCI_CONNECTABLE flag will not be set. For backwards
compatibility with user space versions not using mgmt we should not
require HCI_CONNECTABLE to be set if HCI_MGMT is not set.
Reported-by: Pali Rohár <pali.rohar@gmail.com>
Tested-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Cc: stable@vger.kernel.org # 3.17+
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When controllers set the HCI_QUIRK_INVALID_BDADDR flag, it is required
by userspace to program a valid public Bluetooth device address into
the controller before it can be used.
After successful address configuration, the internal state changes and
the controller runs the complete initialization procedure. However one
small difference is that this is no longer the HCI_SETUP stage. The
HCI_SETUP stage is only valid during initial controller setup. In this
case the stack runs the initialization as part of the HCI_CONFIG stage.
The controller version information, default name and supported commands
are only stored during HCI_SETUP. While these information are static,
they are not read initially when HCI_QUIRK_INVALID_BDADDR is set. So
when running in HCI_CONFIG state, these information need to be updated
as well.
This especially impacts Bluetooth 4.1 and later controllers using
extended feature pages and second event mask page.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Cc: stable@vger.kernel.org # 3.17+
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l2cap socket
same story as cmtp
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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l2cap socket
... rather than relying on ciptool(8) never passing it anything else. Give
it e.g. an AF_UNIX connected socket (from socketpair(2)) and it'll oops,
trying to evaluate &l2cap_pi(sock->sk)->chan->dst...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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it's OK after we'd verified the sockets, but not before that.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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If we need to drop the message because of some error in the
compression etc, then do not free the skb as that is done
automatically in other part of networking stack.
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The optimization for filtering out extended inquiry results, advertising
reports or scan response data based on provided UUID list has a logic
bug. In case no match is found in the advertising data, the scan
response is ignored and not checked against the filter. This will lead
to events being filtered wrongly.
Change the code to actually only drop the events when the scan response
data is not present. If it is present, it needs to be checked against
the provided filter.
The patch is a bit more complex than it needs to be. That is because
it also fixes this compiler warning that some gcc versions produce.
CC net/bluetooth/mgmt.o
net/bluetooth/mgmt.c: In function ‘mgmt_device_found’:
net/bluetooth/mgmt.c:7028:7: warning: ‘match’ may be used uninitialized in this function [-Wmaybe-uninitialized]
bool match;
^
It seems that gcc can not clearly figure out the context of the match
variable. So just change the branches for the extended inquiry response
and advertising data around so that it is clear.
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
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When an adapter is removed (hci_unregister_dev) any pending mgmt
commands for that adapter should get the appropriate INVALID_INDEX
response. Since hci_unregister_dev() calls hci_dev_do_close() first
that'd so far have caused "not powered" responses to be sent.
Skipping the HCI_UNREGISTER case in mgmt_powered() is also not a
solution since before reaching the mgmt_index_removed() stage any
hci_conn callbacks (e.g. used by pairing) will get called, thereby
causing "disconnected" status responses to be sent.
The fix that covers all scenarios is to handle both INVALID_INDEX and
NOT_POWERED responses through the mgmt_powered() function. The
INVALID_INDEX response sending from mgmt_index_removed() is left
untouched since there are a couple of places not related to powering off
or removing an adapter that call it (e.g. configuring a new bdaddr).
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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If we're in the AUTO_OFF stage the powered_update_hci() function is
responsible for doing the updates to the HCI state that were not done
during the actual mgmt command handlers. One of the updates needing done
is for BR/EDR SC support. This patch adds the missing HCI command for SC
support to the powered_update_hci() function.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Pull networking updates from David Miller:
1) New offloading infrastructure and example 'rocker' driver for
offloading of switching and routing to hardware.
This work was done by a large group of dedicated individuals, not
limited to: Scott Feldman, Jiri Pirko, Thomas Graf, John Fastabend,
Jamal Hadi Salim, Andy Gospodarek, Florian Fainelli, Roopa Prabhu
2) Start making the networking operate on IOV iterators instead of
modifying iov objects in-situ during transfers. Thanks to Al Viro
and Herbert Xu.
3) A set of new netlink interfaces for the TIPC stack, from Richard
Alpe.
4) Remove unnecessary looping during ipv6 routing lookups, from Martin
KaFai Lau.
5) Add PAUSE frame generation support to gianfar driver, from Matei
Pavaluca.
6) Allow for larger reordering levels in TCP, which are easily
achievable in the real world right now, from Eric Dumazet.
7) Add a variable of napi_schedule that doesn't need to disable cpu
interrupts, from Eric Dumazet.
8) Use a doubly linked list to optimize neigh_parms_release(), from
Nicolas Dichtel.
9) Various enhancements to the kernel BPF verifier, and allow eBPF
programs to actually be attached to sockets. From Alexei
Starovoitov.
10) Support TSO/LSO in sunvnet driver, from David L Stevens.
11) Allow controlling ECN usage via routing metrics, from Florian
Westphal.
12) Remote checksum offload, from Tom Herbert.
13) Add split-header receive, BQL, and xmit_more support to amd-xgbe
driver, from Thomas Lendacky.
14) Add MPLS support to openvswitch, from Simon Horman.
15) Support wildcard tunnel endpoints in ipv6 tunnels, from Steffen
Klassert.
16) Do gro flushes on a per-device basis using a timer, from Eric
Dumazet. This tries to resolve the conflicting goals between the
desired handling of bulk vs. RPC-like traffic.
17) Allow userspace to ask for the CPU upon what a packet was
received/steered, via SO_INCOMING_CPU. From Eric Dumazet.
18) Limit GSO packets to half the current congestion window, from Eric
Dumazet.
19) Add a generic helper so that all drivers set their RSS keys in a
consistent way, from Eric Dumazet.
20) Add xmit_more support to enic driver, from Govindarajulu
Varadarajan.
21) Add VLAN packet scheduler action, from Jiri Pirko.
22) Support configurable RSS hash functions via ethtool, from Eyal
Perry.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1820 commits)
Fix race condition between vxlan_sock_add and vxlan_sock_release
net/macb: fix compilation warning for print_hex_dump() called with skb->mac_header
net/mlx4: Add support for A0 steering
net/mlx4: Refactor QUERY_PORT
net/mlx4_core: Add explicit error message when rule doesn't meet configuration
net/mlx4: Add A0 hybrid steering
net/mlx4: Add mlx4_bitmap zone allocator
net/mlx4: Add a check if there are too many reserved QPs
net/mlx4: Change QP allocation scheme
net/mlx4_core: Use tasklet for user-space CQ completion events
net/mlx4_core: Mask out host side virtualization features for guests
net/mlx4_en: Set csum level for encapsulated packets
be2net: Export tunnel offloads only when a VxLAN tunnel is created
gianfar: Fix dma check map error when DMA_API_DEBUG is enabled
cxgb4/csiostor: Don't use MASTER_MUST for fw_hello call
net: fec: only enable mdio interrupt before phy device link up
net: fec: clear all interrupt events to support i.MX6SX
net: fec: reset fep link status in suspend function
net: sock: fix access via invalid file descriptor
net: introduce helper macro for_each_cmsghdr
...
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This patch moves the mgmt_powered() notification earlier in the
hci_dev_do_close() function. This way the correct "not powered" error
gets passed to any pending mgmt commands. Without the patch the pending
commands would instead get a misleading "disconnected" response when
powering down the adapter.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The pairing_complete() function is used as a pending mgmt command
cmd_complete callback. The expectation of such functions is that they
are not responsible themselves for calling mgmt_pending_remove(). This
patch fixes the incorrect mgmt_pending_remove() call in
pairing_complete() and adds it to the appropriate changes.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The pairing_complete() function relies on a hci_conn reference to be
able to access the hci_conn object. It should therefore only release
this reference once it's done accessing the object, i.e. at the end of
the function.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The Read Page Scan Activity and Read Page Scan Type commands are not
supported by all controllers. Move the execution of both commands
into the 3rd phase of the init procedure. And then check the bit
mask of supported commands before adding them to the init sequence.
With this re-ordering of the init sequence, the extra check for
AVM BlueFritz! controllers is no longer needed. They will report
that these two commands are not supported.
This fixes an issue with the Microsoft Corp. Wireless Transceiver
for Bluetooth 2.0 (ID 045e:009c).
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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mgmt_pending_remove() should be called with hci_dev_lock protection and
all hci_event.c functions which calls mgmt_complete() (which eventually
calls mgmt_pending_remove()) should hold the lock.
So this patch fixes the same
Signed-off-by: Jaganath Kanakkassery <jaganath.k@samsung.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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mgmt_pending_remove() should be called with hci_dev_lock protection
and currently the rule to take dev lock is that all mgmt req_complete
functions should take dev lock. So this patch fixes the same in the
missing functions
Without this patch there is a chance of invalid memory access while
accessing the mgmt_pending list like below
bluetoothd: 392] [0] Backtrace:
bluetoothd: 392] [0] [<c04ec770>] (pending_eir_or_class+0x0/0x68) from [<c04f1830>] (add_uuid+0x34/0x1c4)
bluetoothd: 392] [0] [<c04f17fc>] (add_uuid+0x0/0x1c4) from [<c04f3cc4>] (mgmt_control+0x204/0x274)
bluetoothd: 392] [0] [<c04f3ac0>] (mgmt_control+0x0/0x274) from [<c04f609c>] (hci_sock_sendmsg+0x80/0x308)
bluetoothd: 392] [0] [<c04f601c>] (hci_sock_sendmsg+0x0/0x308) from [<c03d4d68>] (sock_aio_write+0x144/0x174)
bluetoothd: 392] [0] r8:00000000 r7 7c1be90 r6 7c1be18 r5:00000017 r4 a90ea80
bluetoothd: 392] [0] [<c03d4c24>] (sock_aio_write+0x0/0x174) from [<c00e2d4c>] (do_sync_write+0xb0/0xe0)
bluetoothd: 392] [0] [<c00e2c9c>] (do_sync_write+0x0/0xe0) from [<c00e371c>] (vfs_write+0x134/0x13c)
bluetoothd: 392] [0] r8:00000000 r7 7c1bf70 r6:beeca5c8 r5:00000017 r4 7c05900
bluetoothd: 392] [0] [<c00e35e8>] (vfs_write+0x0/0x13c) from [<c00e3910>] (sys_write+0x44/0x70)
bluetoothd: 392] [0] r8:00000000 r7:00000004 r6:00000017 r5:beeca5c8 r4 7c05900
bluetoothd: 392] [0] [<c00e38cc>] (sys_write+0x0/0x70) from [<c000e3c0>] (ret_fast_syscall+0x0/0x30)
bluetoothd: 392] [0] r9 7c1a000 r8:c000e568 r6:400b5f10 r5:403896d8 r4:beeca604
bluetoothd: 392] [0] Code: e28cc00c e152000c 0a00000f e3a00001 (e1d210b8)
bluetoothd: 392] [0] ---[ end trace 67b6ac67435864c4 ]---
bluetoothd: 392] [0] Kernel panic - not syncing: Fatal exception
Signed-off-by: Jaganath Kanakkassery <jaganath.k@samsung.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
More iov_iter work for the networking from Al Viro.
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next
John W. Linville says:
====================
pull request: wireless-next 2014-12-08
Please pull this last batch of pending wireless updates for the 3.19 tree...
For the wireless bits, Johannes says:
"This time I have Felix's no-status rate control work, which will allow
drivers to work better with rate control even if they don't have perfect
status reporting. In addition to this, a small hwsim fix from Patrik,
one of the regulatory patches from Arik, and a number of cleanups and
fixes I did myself.
Of note is a patch where I disable CFG80211_WEXT so that compatibility
is no longer selectable - this is intended as a wake-up call for anyone
who's still using it, and is still easily worked around (it's a one-line
patch) before we fully remove the code as well in the future."
For the Bluetooth bits, Johan says:
"Here's one more bluetooth-next pull request for 3.19:
- Minor cleanups for ieee802154 & mac802154
- Fix for the kernel warning with !TASK_RUNNING reported by Kirill A.
Shutemov
- Support for another ath3k device
- Fix for tracking link key based security level
- Device tree bindings for btmrvl + a state update fix
- Fix for wrong ACL flags on LE links"
And...
"In addition to the previous one this contains two more cleanups to
mac802154 as well as support for some new HCI features from the
Bluetooth 4.2 specification.
From the original request:
'Here's what should be the last bluetooth-next pull request for 3.19.
It's rather large but the majority of it is the Low Energy Secure
Connections feature that's part of the Bluetooth 4.2 specification. The
specification went public only this week so we couldn't publish the
corresponding code before that. The code itself can nevertheless be
considered fairly mature as it's been in development for over 6 months
and gone through several interoperability test events.
Besides LE SC the pull request contains an important fix for command
complete events for mgmt sockets which also fixes some leaks of hci_conn
objects when powering off or unplugging Bluetooth adapters.
A smaller feature that's part of the pull request is service discovery
support. This is like normal device discovery except that devices not
matching specific UUIDs or strong enough RSSI are filtered out.
Other changes that the pull request contains are firmware dump support
to the btmrvl driver, firmware download support for Broadcom BCM20702A0
variants, as well as some coding style cleanups in 6lowpan &
ieee802154/mac802154 code.'"
For the NFC bits, Samuel says:
"With this one we get:
- NFC digital improvements for DEP support: Chaining, NACK and ATN
support added.
- NCI improvements: Support for p2p target, SE IO operand addition,
SE operands extensions to support proprietary implementations, and
a few fixes.
- NFC HCI improvements: OPEN_PIPE and NOTIFY_ALL_CLEARED support,
and SE IO operand addition.
- A bunch of minor improvements and fixes for STMicro st21nfcb and
st21nfca"
For the iwlwifi bits, Emmanuel says:
"Major works are CSA and TDLS. On top of that I have a new
firmware API for scan and a few rate control improvements.
Johannes find a few tricks to improve our CPU utilization
and adds support for a new spin of 7265 called 7265D.
Along with this a few random things that don't stand out."
And...
"I deprecate here -8.ucode since -9 has been published long ago.
Along with that I have a new activity, we have now better
a infrastructure for firmware debugging. This will allow to
have configurable probes insides the firmware.
Luca continues his work on NetDetect, this feature is now
complete. All the rest is minor fixes here and there."
For the Atheros bits, Kalle says:
"Only ath10k changes this time and no major changes. Most visible are:
o new debugfs interface for runtime firmware debugging (Yanbo)
o fix shared WEP (Sujith)
o don't rebuild whenever kernel version changes (Johannes)
o lots of refactoring to make it easier to add new hw support (Michal)
There's also smaller fixes and improvements with no point of listing
here."
In addition, there are a few last minute updates to ath5k,
ath9k, brcmfmac, brcmsmac, mwifiex, rt2x00, rtlwifi, and wil6210.
Also included is a pull of the wireless tree to pick-up the fixes
originally included in "pull request: wireless 2014-12-03"...
Please let me know if there are problems!
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Just use copy_from_iter(). That's what this method is trying to do
in all cases, in a very convoluted fashion.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Note that the code _using_ ->msg_iter at that point will be very
unhappy with anything other than unshifted iovec-backed iov_iter.
We still need to convert users to proper primitives.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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it'll die soon enough - now that kvec-backed iov_iter works regardless
of set_fs(), both instances will become copy_from_iter() as soon as
we introduce ->msg_iter...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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net/bluetooth/smp.c:2650:9-16: WARNING: ERR_CAST can be used with tfm_aes
Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...))
Generated by: scripts/coccinelle/api/err_cast.cocci
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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When the host decides to use a non-resolvable private address, it
must ensure that this generated address does not match the public
address of the controller. Add an extra check to ensure this required
behavior.
In addition rename the variable from urpa to nrpa and fix all of the
comments in the code that use the term unresolvable instead of the
term non-resolvable as used in the Bluetooth specification.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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The SMP over BR/EDR requests for cross-transport pairing should also
accepted when the debugfs setting force_lesc_support has been enabled.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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The SMP over BR/EDR support for cross-transport pairing should also be
enabled when the debugfs setting force_lesc_support has been enabled.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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When the LE Read Local P-256 Public Key command is supported, then
enable its corresponding complete event. And when the LE Generate DHKey
command is supported, enable its corresponding complete event as well.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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The new Extended Scanner Filter Policies feature has to be enabled by
selecting the correct filter policy for the scan parameters. This
patch does that when the controller has been enabled to use LE Privacy.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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When the controller sends a LE Direct Advertising Report event, the host
must confirm that the resolvable random address provided matches with
its own identity resolving key. If it does, then that advertising report
needs to be processed. If it does not match, the report needs to be
ignored.
This patch adds full support for handling these new reports and using
them for device discovery and connection handling. This means when a
Bluetooth controller supports the Extended Scanner Filter Policies, it
is possible to use directed advertising with LE privacy.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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When the controller supports the Extended Scanner Filter Policies, it
supports the LE Direct Advertising Report event. However by default
that event is blocked by the LE event mask. It is required to enable
it during controller setup.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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When using Start Service Discovery and when background scanning is used
to report devices, the RSSI is reported or the value 127 is provided in
case RSSI in unavailable.
For Start Discovery the value 0 is reported to keep backwards
compatibility with the existing users.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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When no RSSI value is available then make sure that the result is
filtered out when the RSSI threshold filter is active.
This means that all Bluetooth 1.1 or earlier devices will not
report any results when using a RSSI threshold filter.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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The mgmt.c file already has a bluetooth_base_uuid variable which has the
exact same value as the reverse_base_uuid one. This patch removes the
redundant variable.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch fixes the Get Connection Information mgmt command to take
advantage of the new cmd_complete callback. This allows for great
simplifications in the logic for constructing the cmd_complete event.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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When we create the hci_conn object we should properly initialize the
RSSI to HCI_RSSI_INVALID.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch converts the Get Clock Information mgmt command to take
advantage of the new cmd_complete callback for pending commands.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch converts the Start/Stop Discovery mgmt commands to use the
cmd_complete callback of struct pending_cmd. Since both of these
commands return the same parameters as they take as input we can use the
existing generic_cmd_complete() helper for this.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch updates the Unpair Device code to take advantage of the
cmd_complete callback of struct pending_cmd.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch converts the Pair Device mgmt command to use the new
cmd_complete callback for pending mgmt commands. The already existing
pairing_complete() function is exactly what's needed and doesn't need
changing.
In addition to getting the return parameters always right this patch
actually fixes a reference counting bug and memory leak with the
hci_conn that's attached to the pending mgmt command - something that
would occur when powering off or unplugging the adapter while pairing is
in progress.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch converts the user confirmation & PIN code mgmt commands to
take advantage of the new cmd_complete callback for pending mgmt
commands. The patch also adds a new generic addr_cmd_complete() helper
function to be used with commands that send a mgmt_addr_info response
based on a mgmt_addr_info in the beginning of the command parameters.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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This patch converts the Disconnect mgmt command to take advantage of the
new cmd_complete callback that's part of the pending_cmd struct. There
are many commands whose response parameters map 1:1 to the command
parameters and Disconnect is one of them. This patch adds a
generic_cmd_complete() function for such commands that can be reused in
subsequent patches.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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As preparation for making generic cmd_complete responses possible we'll
need to track the parameter length in addition to just a pointer to
them. This patch adds the necessary variable to the pending_cmd struct.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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We've got a couple of generic scenarios where all pending mgmt commands
are processed and responses are sent to them. These scenarios are
powering off the adapter and removing the adapter. So far the code has
been generating cmd_status responses with NOT_POWERED and INVALID_INDEX
resposes respectively, but this violates the mgmt specification for
commands that should always generate a cmd_complete.
This patch adds support for specifying a callback for the pending_cmd
context that each command handler can use for command-specific
cmd_complete event generation. The actual per-command event generators
will come in subsequent patches.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Currently the discovery filter information are only cleared when the
actual discovery procedure has been stopped. To make sure that none
of the filters interfere with the background scanning and its device
found event reporting, clear the filter before starting background
scanning.
This means that the discovery filter is now cleared before either
Start Discovery, Start Service Discovery or background scanning.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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In case of failure or when unplugging a controller, the allocated
memory for the UUID list of the discovery filter is not freed. Use
the newly introduced helper for reset the discovery filter and with
that also freeing existing memory.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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The discovery filter allocates memory for its UUID list. So use
a helper function to free it and reset it to default states.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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This patch adds support for the Start Service Discovery command. It
does all the checks for command parameters and configured the discovery
filter settings correctly. However the actual support for filtering
will be added with another patch.
Signed-off-by: Jakub Pawlowski <jpawlowski@google.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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The previous patch provided the framework for integrating the UUID
filtering into the service discovery. This patch now provides the
actual filter logic.
Signed-off-by: Jakub Pawlowski <jpawlowski@google.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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Using Start Service Discovery provides the option to specifiy a list
of UUID that are used to filter out device found events. This patch
provides the framework for hooking up the UUID filter.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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Using Start Service Discovery allows to provide a RSSI threshold. This
patch implements support for filtering out device found events based
on the provided value.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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Johan Hedberg
Marcel Holtmann
Al Viro
Jukka Rissanen
John W. Linville
Linus Torvalds
Jaganath Kanakkassery
David S. Miller
Fengguang Wu
Jakub Pawlowski