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LRO and RX-FCS offloads cannot be enabled at the same time since it is not clear what should happen to the FCS of each coalesced packet. The FCS is not really part of the TCP payload, hence cannot be merged into one big packet. On the other hand, providing one big LRO packet with one FCS contradicts the RX-FCS feature goal. Use the fix features mechanism in order to prevent intersection of the features and drop LRO in case RX-FCS is requested. Enabling RX-FCS while LRO is enabled will result in: $ ethtool -K ens6 rx-fcs on Actual changes: large-receive-offload: off [requested on] rx-fcs: on Signed-off-by: Gal Pressman <galp@mellanox.com> Reviewed-by: Tariq Toukan <tariqt@mellanox.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.