- 18 Dec, 2011 21 commits
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Gustavo F. Padovan authored
As we run in process context now we don't need worqueue to add e del from sysfs. Acked-by:
Marcel Holtmann <marcel@holtmann.org> Signed-off-by:
Gustavo F. Padovan <padovan@profusion.mobi>
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Gustavo F. Padovan authored
Update hdev workqueue API usage to use the new interface, this new interface also allow us to mark this workqueue as WQ_HIGHPRI, so now rx and tx work gets higher priority when running. Acked-by:
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Gustavo F. Padovan authored
hdev->workqueue will be only for for rx/tx/cmd processing, all other small works should go to the system workqueue for now. Acked-by:
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Gustavo F. Padovan authored
This list has much more reads than writes, so RCU makes senses here, also it avoid deadlock against the socket lock. Acked-by:
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Gustavo F. Padovan authored
This move some checking code that was in l2cap_sock_connect() to l2cap_chan_connect(). Thus we can invert the lock calls, i.e., call lock_sock() before hci_dev_lock() to avoid a deadlock scenario. Acked-by:
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Gustavo F. Padovan authored
Another step of remove interrupt context from Bluetooth Core. Use the system workqueue. Acked-by:
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Gustavo F. Padovan authored
This should simplify Bluetooth core processing a lot. Acked-by:
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Gustavo F. Padovan authored
As part of the moving on all the Bluetooth processing to Process context. Acked-by:
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Gustavo F. Padovan authored
It's pointless, we aren't protecting anything since btusb_notify() schedules a work to run, then all it operation happens without protection. If protection is really needed here, we will fix it further. Acked-by:
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Gustavo F. Padovan authored
Handling hci_conn_hash with RCU make us avoid some locking and disable tasklets. Acked-by:
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Gustavo F. Padovan authored
Instead of using tasklet_disable() to prevent acess to the channel use, we can use RCU and improve the performance of our code. Acked-by:
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Gustavo F. Padovan authored
spin lock doesn't fit ok anymore on the new code based on workqueues. Acked-by:
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Gustavo F. Padovan authored
Now we can sleep in any path inside Bluetooth core, so mutex can make sense here. Acked-by:
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Gustavo F. Padovan authored
We run everything in the same lock now. The backlog queue is useless now Acked-by:
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Gustavo F. Padovan authored
We now run everything in process context, so the mutex lock is the best option. But in some places we still need the bh_lock_sock() Acked-by:
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Gustavo F. Padovan authored
L2CAP timers also need to run in process context. As the works in l2cap are small we are using the system worqueue. Acked-by:
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Gustavo F. Padovan authored
It doesn't really touch any sensitive information about hdev. So no need to lock here. Acked-by:
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Gustavo F. Padovan authored
As HCI rx path is now done in process context it makes sense to do all the timer in process context as well. Acked-by:
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Gustavo F. Padovan authored
Bluetooth rx task runs now in a workqueue, so it a good approach run any timer that share locking with process context code also in a workqueue. Acked-by:
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Gustavo F. Padovan authored
Now we run everything in HCI in process context, so it's a better idea use mutex instead spin_lock. The macro remains hci_dev_lock() (and I got rid of hci_dev_lock_bh()), of course. Acked-by:
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Marcel Holtmann authored
Run recv process in workqueue helps a lot with our processing as the recv path will also be in the process context, i.e., now all our tx and rx are in process context. Signed-off-by:
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- 16 Dec, 2011 6 commits
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Gustavo F. Padovan authored
It isn't used outside hci_conn.c Signed-off-by: -
Gustavo F. Padovan authored
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Gustavo F. Padovan authored
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Gustavo F. Padovan authored
le_num needs to be set to zero. Signed-off-by: -
Gustavo F. Padovan authored
It isn't used anywhere. Signed-off-by: -
Gustavo F. Padovan authored
Only the list member of the struct was used, so we now fold it into hci_conn. Signed-off-by:
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- 02 Dec, 2011 9 commits
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Andrei Emeltchenko authored
Make sure that code match exactly what comment says about pre 1.2 bluetooth version. Since this is HCI detail lmp_ver changed to hci_ver. Signed-off-by:
Andrei Emeltchenko <andrei.emeltchenko@intel.com> Acked-by:
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Andrei Emeltchenko authored
Use bluetooth names instead of BT SIG assigned numbers Signed-off-by:
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Andrei Emeltchenko authored
Check for hci_ver instead of lmp_ver Signed-off-by:
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Cong Wang authored
This patch fixes the following memory leak reported by kmemleak: unreferenced object 0xffff880060a53840 (size 192): comm "softirq", pid 0, jiffies 4320571771 (age 1406.569s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff81138a1c>] create_object+0x187/0x28b [<ffffffff814be12e>] kmemleak_alloc+0x73/0x98 [<ffffffff811289d3>] __kmalloc+0xfc/0x123 [<ffffffff81386546>] usb_alloc_urb+0x1e/0x48 [<ffffffffa0130274>] btusb_send_frame+0x86/0x385 [btusb] [<ffffffffa02d8230>] hci_send_frame+0xa0/0xa5 [bluetooth] [<ffffffffa02d8a4e>] hci_cmd_task+0xa0/0xfb [bluetooth] [<ffffffff81058548>] tasklet_action+0x8f/0xef [<ffffffff81058a4c>] __do_softirq+0xf4/0x1db [<ffffffff81058bb7>] run_ksoftirqd+0x84/0x129 [<ffffffff8106f1c4>] kthread+0xa0/0xa8 [<ffffffff814dd144>] kernel_thread_helper+0x4/0x10 [<ffffffffffffffff>] 0xffffffffffffffff The problem is that when inc_tx() returns non-zero, we forgot to call usb_free_urb(). Cc: Marcel Holtmann <marcel@holtmann.org> Cc: "Gustavo F. Padovan" <padovan@profusion.mobi> Signed-off-by:WANG Cong <amwang@redhat.com> Acked-by:
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Andrei Emeltchenko authored
Remove old code not touched for several years. Signed-off-by:
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Andre Guedes authored
This patch adds the parameter struct and the command complete event handler to the LE Set Scan Parameter HCI command. Signed-off-by:
Andre Guedes <andre.guedes@openbossa.org> Acked-by:
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Andre Guedes authored
This patch adds the dev_flags field to struct hci_dev. This new flags variable should be used to define flags related to BR/EDR and/or LE controller itself. It should be used to define flags which represents states from the controller. The dev_flags is cleared in case the controller sends a Reset Command Complete Event to the host. Also, this patch adds the HCI_LE_SCAN flag which was created to track if the controller is performing LE scan or not. The flag is set/cleared when the controller starts/stops scanning. This is an initial effort to stop using hdev->flags to define internal flags since it is exported to userspace by an ioctl. Signed-off-by:
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Andrei Emeltchenko authored
Upstream Code Aurora function with minor trivial fixes. Origin: git://codeaurora.org/kernel/msm.gitSigned-off-by:
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- 01 Dec, 2011 4 commits
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Brian Gix authored
Signed-off-by:
Brian Gix <bgix@codeaurora.org> Signed-off-by:
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Brian Gix authored
The blkcipher must be freed to avoid memory leak. Signed-off-by:
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Brian Gix authored
Some MITM scenarios require handling of the User Passkey Request event, by querying the user, and passing the response back. Signed-off-by:
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Brian Gix authored
For some MITM protection pairing scenarios, the user is required to enter or accept a 6 digit passkey. Signed-off-by:
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