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There's currently no way to request (outer) UDP checksum with act_tunnel_key. This is problem especially for IPv6. Right now, tunnel_key action with IPv6 does not work without going through hassles: both sides have to have udp6zerocsumrx configured on the tunnel interface. This is obviously not a good solution universally. It makes more sense to compute the UDP checksum by default even for IPv4. Just set the default to request the checksum when using act_tunnel_key. Signed-off-by: Jiri Benc <jbenc@redhat.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.