Linux kernel for uConsole
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Currently multicast queue is associated with the broadcast station. This raises quite a few issues: The multicast queue has a special treatment: - It is sent in the MAC context command - It is excluded from tfd_queue_mask In DQA mode we end up enabling two queues - the probe response queue and the multicast queue - with the same station (broadcast) and TID while in DQA mode it should be unique RA-TID. Firmware will enforce it for a000 devices, so this allocation will fail. In addition, in a000 devices the FW will set the FIFO and not the driver. So there is a need for FW to know when we enable the queue that it is multicast queue so it will be bound to the multicast FIFO. There is no such way in current design. In order to simplify driver and firmware handling of this queue create a multicast station. This solves the unique RA-TID issue in the short term and serves as preparation for the long term. In the long term we will also add a flag marking this station for the FW as the multicast station. Once we will do that the FW will know this is the multicast queue immediately when it is added and bind it to the correct FIFO. It will also enable removing the special treatment of the queue in the MAC context command. Signed-off-by: Sara Sharon <sara.sharon@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> |
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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.