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0b9832b712
When we act as an AP, new firmware versions handle internally the power saving clients and the driver doesn't know that the peers went to sleep. It is, hence, possible that a peer goes to sleep for a long time and stop pulling frames. This will cause its transmit queue to hang which is a condition that triggers the recovery flow in the driver. While this client is certainly buggy (it should have pulled the frame based on the TIM IE in the beacon), we can't blow up because of a buggy client. Change the current implementation to not enable the transmit queue hang detection on queues that serve peers when we act as an AP / GO. We can still enable this mechanism using the debug configuration which can come in handy when we want to debug why the client doesn't wake up. Cc: stable@vger.kernel.org # v4.13 Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> |
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| firmware | ||
| fs | ||
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| ipc | ||
| kernel | ||
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.