Syzkaller found that it is possible to provoke a memory leak by
never freeing rx_skb in struct bcsp_struct.
Fix by freeing in bcsp_close()
Signed-off-by: Tomas Bortoli <tomasbortoli@gmail.com>
Reported-by: syzbot+98162c885993b72f19c4@syzkaller.appspotmail.com
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This device is functionally equivalent to the BT part of the RTL8723DE,
uses the same firmware, but the LMP subversion and HCI revision are unique.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Some board requires explicitily control external osscilator via GPIO.
So, add an implementation of a clock property for an external oscillator
to the device.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Not every platform has the pinctrl device integrates the GPIO the function
such as MT7621 whose pinctrl and GPIO are separate hardware so the driver
adds additional boot-gpios to let the MT766[3,8]U can enter the proper boot
mode by gpiod for such platform.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Some board requires explicitily control external osscilator via GPIO.
So, add a clock property for an external oscillator for the device.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Not every platform has the pinctrl device integrates the GPIO the function
such as MT7621 whose pinctrl and GPIO are separate hardware so adding an
additional boot-gpios property for such platform allows them to bring up
the device.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
The BCM4359C0 BT/Wi-Fi compo chip needs an entry to be discovered
by the btbcm driver.
Tested using an AP6398S module from Ampak.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This patch adds an optional device property "firmware-name" to allow the
driver to load customized nvm firmware file based on this property.
Signed-off-by: Rocky Liao <rjliao@codeaurora.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
QCA BTSOC NVM is a customized firmware file and different vendors may
want to have different BTSOC configuration (e.g. Configure SCO over PCM
or I2S, Setting Tx power, etc.) via this file. This patch will allow
vendors to download different NVM firmware file by reading a device
property "firmware-name".
Signed-off-by: Rocky Liao <rjliao@codeaurora.org>
Tested-by: Harish Bandi <c-hbandi@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This adds serdev support to the Marvell hci uart driver. Only basic
serdev support, none of the fancier features like regulator or enable
GPIO support is added for now.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
For the Marvell HCI UART we have to upload two firmware files. The first
one is only for switching the baudrate of the device to a higher
baudrate. After the baudrate switching firmware has been uploaded the
device waits for a final ack (0x5a) before actually switching the
baudrate. To send this final ack with the old baudrate give the hci
ldisc workqueue a chance to run before switching the baudrate. Without
this the final ack will never be received by the device and firmware
upload fails.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
The hci UART line discipline sends its characters in a workqueue. Some
devices like the Marvell Bluetooth chips need to make sure that all
queued characters are sent before switching the baudrate. This adds
a function to synchronize with the workqueue.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
When calling debugfs functions, there is no need to ever check the
return value. The function can work or not, but the code logic should
never do something different based on this.
Because we don't care if debugfs works or not, this trickles back a bit
so we can clean things up by making some functions return void instead
of an error value that is never going to fail.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Firmware download to the WCN3990 often fails with a 'TLV response size
mismatch' error:
[ 133.064659] Bluetooth: hci0: setting up wcn3990
[ 133.489150] Bluetooth: hci0: QCA controller version 0x02140201
[ 133.495245] Bluetooth: hci0: QCA Downloading qca/crbtfw21.tlv
[ 133.507214] Bluetooth: hci0: QCA TLV response size mismatch
[ 133.513265] Bluetooth: hci0: QCA Failed to download patch (-84)
This is caused by a vendor event that corresponds to an earlier command
to change the baudrate. The event is not processed in the context of the
baudrate change and is later interpreted as response to the firmware
download command (which is also a vendor command), but the driver detects
that the event doesn't have the expected amount of associated data.
More details:
For the WCN3990 the vendor command for a baudrate change isn't sent as
synchronous HCI command, because the controller sends the corresponding
vendor event with the new baudrate. The event is received and decoded
after the baudrate change of the host port.
Identify the 'unused' event when it is received and don't add it to
the queue of RX frames.
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Latest qualcomm chips are not sending an command complete event for
every firmware packet sent to chip. They only respond with a vendor
specific event for the last firmware packet. This optimization will
decrease the BT ON time. Due to this we are seeing a timeout error
message logs on the console during firmware download. Now we are
injecting a command complete event once we receive an vendor specific
event for the last RAM firmware packet.
Signed-off-by: Balakrishna Godavarthi <bgodavar@codeaurora.org>
Tested-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Fix some warnings and one error reported by checkpatch.pl:
- lines longer than 80 characters are wrapped
- empty lines inserted to separate variable declarations from the actual
code
- line break inserted after if (...)
Co-developed-by: Thomas Röthenbacher <thomas.roethenbacher@fau.de>
Signed-off-by: Thomas Röthenbacher <thomas.roethenbacher@fau.de>
Signed-off-by: Fabian Schindlatz <fabian.schindlatz@fau.de>
Cc: linux-kernel@i4.cs.fau.de
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Realtek RTL8822BE BT chip on ASUS X420FA cannot be turned on correctly
after on-off several times. Bluetooth daemon sets BT mode failed when
this issue happens. Scanning must be active while turning off for this
bug to be hit.
bluetoothd[1576]: Failed to set mode: Failed (0x03)
If BT is turned off, then turned on again, it works correctly again.
According to the vendor driver, the HCI_QUIRK_RESET_ON_CLOSE flag is set
during probing. So, this patch makes Realtek's BT reset on close to fix
this issue.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=203429
Signed-off-by: Jian-Hong Pan <jian-hong@endlessm.com>
Reviewed-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Extract the new function send_command_from_firmware from
download_firmware, which helps with the readability of the switch
statement. This way the code is less deeply nested and also no longer
exceeds the 80 character limit.
Co-developed-by: Thomas Röthenbacher <thomas.roethenbacher@fau.de>
Signed-off-by: Thomas Röthenbacher <thomas.roethenbacher@fau.de>
Signed-off-by: Fabian Schindlatz <fabian.schindlatz@fau.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Uploading the firmware needs quite a few seconds if done at 115200 kbps. So set
the operational frequency, usually 3 MHz, before uploading the firmware.
I have successfully tested this with a wl1837mod.
Signed-off-by: Philipp Puschmann <philipp.puschmann@emlix.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
BCM4356 devices soldered onto the PCB (non-removable) use an UART
connection for bluetooth, such as the Rock960, but it also advertise
btsdio support as a sdio function.
Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
CC: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Tariq Toukan says:
====================
mlx5 TLS TX HW offload support
This series from Eran and me, adds TLS TX HW offload support to
the mlx5 driver.
This offloads the kTLS encryption process from kernel to the
Mellanox NIC, saving CPU cycles and improving utilization.
Upon a new TLS connection request, driver is responsible to create
a dedicated HW context and configure it according to the crypto info,
so HW can do the encryption itself.
When the HW context gets out-of-sync (i.e. due to packets retransmission),
driver is responsible for the re-sync process.
This is done by posting special resync descriptors to the HW.
Feature is supported on Mellanox Connect-X 6DX, and newer.
Series was tested on SimX simulator.
Series generated against net-next commit [1], with Saeed's request pulled [2]:
[1] c4cde5804d Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
[2] git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux.git tags/mlx5-updates-2019-07-04-v2
Changes from last pull request:
Fixed comments from Jakub:
Patch 4:
- Replace zero memset with a call to memzero_explicit().
Patch 11:
- Fix stats counters names.
- Drop TLS SKB with non-matching netdev.
====================
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for transmit side kernel-TLS acceleration.
Offload the crypto encryption to HW.
Per TLS connection:
- Use a separate TIS to maintain the HW context.
- Use a separate encryption key.
- Maintain static and progress HW contexts by posting the proper
WQEs at creation time, or upon resync.
- Use a special DUMP opcode to replay the previous frags and sync
the HW context.
To make sure the SQ is able to serve an xmit request, increase
SQ stop room to cover:
- static params WQE,
- progress params WQE, and
- resync DUMP per frag.
Currently supporting TLS 1.2, and key size 128bit.
Tested over SimX simulator.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Similar to the existing mlx5e_post_nop(), but marks a fence
in the WQE control segment.
Added as a separate new function to not hurt the performance
of the common case.
To be used in a downstream patch of the series.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Reviewed-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Let the EN TIS creation function (mlx5e_create_tis) be responsible
for applying common mdev related fields.
Other specific fields must be set by the caller and passed within
the inbox.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Reviewed-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use an SQ field for stop_room, and use the larger value only if TLS
is supported.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When polling a CQE of an SKB-less WQE, don't assume it consumed only
one WQEBB. Use wi->num_wqebbs directly instead.
In the downstream patch, SKB-less WQEs might have more the one WQEBB,
thus this change is needed.
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Change mlx5e_sq_fetch_wqe to be agnostic to the Work Queue
Element (WQE) type.
Before this patch, it was specific for struct mlx5e_tx_wqe.
In order to allow the change, the function now returns the
generic void pointer, and gets the WQE size to do the zero
memset.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When ctrl->tisn field exists, this indicates an operation (HW offload)
on the TCP payload.
For such WQEs, inline the headers up to L4.
This is in preparation for kTLS HW offload support, added in
a downstream patch.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Take datapath helper functions to a new header file en/txrx.h.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for the new TLS implementation of the Connect-X family.
Introduce a new compilation flag MLX5_TLS for it.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Encryption key create / destroy is done via
CREATE_GENERAL_OBJECT / DESTROY_GENERAL_OBJECT commands.
To be used in downstream patches by TLS API wrappers, to configure
the TIS context with the encryption key.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Always contain all acceleration functions declarations in
'accel' files, independent to the flags setting.
For this, introduce new flags CONFIG_FPGA_{IPSEC/TLS} and use stubs
where needed.
This obsoletes the need for stubs in 'fpga' files. Remove them.
Also use the new flags in Makefile, to decide whether to compile
TLS-specific or IPSEC-specific objects, or not.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Do not directly call fpga version of IPsec function from main.c.
Wrap it by an accel version, and call the wrapper.
This will allow deprecating the FPGA IPsec stubs in downstream
patch.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Reviewed-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This series adds mlx5 support for devlink fw versions query.
1) Implement the required low level firmware commands
2) Implement the devlink knobs and callbacks for fw versions query.
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Merge tag 'mlx5-updates-2019-07-04-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-update-2019-07-04
This series adds mlx5 support for devlink fw versions query.
1) Implement the required low level firmware commands
2) Implement the devlink knobs and callbacks for fw versions query.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
For spinlocks the type spinlock_t should be used instead of "struct
spinlock".
Use spinlock_t for spinlock's definition.
Cc: Jakub Kicinski <jakub.kicinski@netronome.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: oss-drivers@netronome.com
Cc: netdev@vger.kernel.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Quoting Arnd,
We have to do a sync_single_for_device /somewhere/ before the
buffer is given to the device. On a non-cache-coherent machine with
a write-back cache, there may be dirty cache lines that get written back
after the device DMA's data into it (e.g. from a previous memset
from before the buffer got freed), so you absolutely need to flush any
dirty cache lines on it first.
Since the coherency is configurable in this device make sure we cover
all configurations by explicitly syncing the allocated buffer for the
device before refilling it's descriptors
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Huazhong Tan says:
====================
net: hns3: some cleanups & bugfixes
This patch-set includes cleanups and bugfixes for
the HNS3 ethernet controller driver.
[patch 1/9] fixes VF's broadcast promisc mode not enabled after
initializing.
[patch 2/9] adds hints for fibre port not support flow control.
[patch 3/9] fixes a port capbility updating issue.
[patch 4/9 - 9/9] adds some cleanups for HNS3 driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
If HCLGE_MBX_MAX_RESP_DATA_SIZE > HCLGE_MBX_MAX_RESP_DATA_SIZE,
the memcpy will cause out of memory. So this patch just set
resp_data_len to the maximum length for this case.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There are some bitwise operator used signed type, this patch fixes
them with unsigned type.
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds default value for tc_size and tc_offset, or it may
get random value and used later.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The value of msg_data may be NULL in some cases, which will cause
errors reported by some compiler.
So this patch adds a check to fix it.
Signed-off-by: Weihang Li <liweihang@hisilicon.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The value of param type is always not changed in
hclgevf_bind_ring_to_vector, move the assignment to
front of "for {}" can reduce the redundant assignment.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, the HNS3 driver just defines part of IMP return code,
This patch supplements all the remaining IMP return code, and adds
a function to convert this code to the error number.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, the driver queries the media port information, and
updates the port capability periodically. But it sets an error
mac->speed_type value, which stops update port capability.
Fixes: 88d10bd6f7 ("net: hns3: add support for multiple media type")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Flow control autoneg is unsupported for fibre port. It takes no
effect for flow control when restart autoneg. This patch fixes
it, return -EOPNOTSUPP when user tries to enable flow control
autoneg.
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
For revision 0x20, the broadcast promisc is enabled by firmware,
it's unnecessary to enable it when initializing VF.
For revision 0x21, it's necessary to enable broadcast promisc mode
when initializing or re-initializing VF, otherwise, it will be
unable to send and receive promisc packets.
Fixes: f01f5559ca ("net: hns3: don't allow vf to enable promisc mode")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ido Schimmel says:
====================
mlxsw: Enable/disable PTP shapers
Shalom says:
In order to get more accurate hardware time stamping in Spectrum-1, the
driver needs to apply a shaper on the port for speeds lower than 40Gbps.
This shaper is called a PTP shaper and it is applied on hierarchy 0,
which is the port hierarchy. This shaper may affect the shaper rates of
all hierarchies.
This patchset adds the ability to enable or disable the PTP shaper on
the port in two scenarios:
1. When the user wants to enable/disable the hardware time stamping
2. When the port is brought up or down (including port speed change)
Patch #1 adds the QEEC.ptps field that is used for enabling or disabling
the PTP shaper on a port.
Patch #2 adds a note about disabling the PTP shaper when calling to
mlxsw_sp_port_ets_maxrate_set().
Patch #3 adds the QPSC register that is responsible for configuring the
PTP shaper parameters per speed.
Patch #4 sets the PTP shaper parameters during the ptp_init().
Patch #5 adds new operation for getting the port's speed.
Patch #6 enables/disables the PTP shaper when turning on or off the
hardware time stamping.
Patch #7 enables/disables the PTP shaper when the port's status has
changed (including port speed change).
Patch #8 applies the PTP shaper enable/disable logic by filling the PTP
shaper parameters array.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Apply by filling the PTP shaper parameters array.
Signed-off-by: Shalom Toledo <shalomt@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
