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The "buffer header" functionality is a functionality used by the hardware to split an incoming packets over multiple BM buffers if they are not large enough. However, the mvpp2 driver guarantees that a pool of BM buffers has buffers with a size large enough to store MTU-sized packets. Therefore, this functionality is completely unused, and the code can be removed, and we should never get a descriptor with bit MVPP2_RXD_BUF_HDR set. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.