forked from Minki/linux
mainlining shenanigans
5237b9dde3
Jeff Kirsher says: ==================== 10GbE Intel Wired LAN Driver Updates 2017-02-16 This series contains updates to ixgbe only. Tony updates the driver to advertise 2.5Gb and 5.0Gb if the adapter supports it. Stephen Hemminger renames our dcbnl_ops since it is global to ixgbe_dcbnl_ops to avoid namespace issues. Mark updates the driver version based on the recent changes. Alex has the remainder of the changes, starting with consolidating functions that represent logical steps in the receive process so we can later update them more easily (and align with igb). Modify the receive path to only synchronize the length of the frame versus the entire buffer. Provided performance improvements by adding support for DMA_ATTR_SKIP_CPU_SYNC and DMA_ATTR_WEAK_ORDERING. Also made additional performance gains by batching the page count updates instead of doing them one at a time. Adjusted the receive path to use 3k buffers with 8k backing them in order to support build_skb with jumbo frames. Made additional driver improvements by using the length of the packet instead of the DD status to determine if a new descriptor is ready to be processed, which cuts down on reads. To reduce code duplication, pulled apart the receive path into separate functions. Added support for providing a buffer with headroom and tailroom to allow for shared info for NET_SKB_PAD and NET_IP_ALIGN. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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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.