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For Tx confirmed frames that have an error indication in the frame descriptor, we look at the Frame Annotation Status field (in the buffer headroom) for details on the root cause and then print a debug message with that information. While useful in initial development stages, it doesn't bring enough added value to justify reserving 64B of headroom for all Tx frames (FAS is only 8B long, but we must reserve chunks of 64B from the hardware annotation area). If we remove the need for FAS field from egress frames, we can renounce hardware annotation completely, since FAS is the only HWA field we currently use. Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.