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If NAN interface is created with NL80211_ATTR_SOCKET_OWNER, the socket that is used to create the interface is used for all NAN operations and reporting NAN events. However, it turns out that sending commands and receiving events on the same socket is not possible in a completely race-free way: If the socket buffer is overflowed by the events, the command response will not be sent. In that case the caller will block forever on recv. Using non-blocking socket for commands is more complicated and still the command response or ack may not be received. So, keep unicasting NAN events to the interface creator, but allow using a different socket for commands. Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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.