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bbfbf7a5e7
This reverts commit5bed9f3f63. Gal Presman says: this patch broke geneve tunnels, or possibly all udp tunnels? A simple test that creates two geneve tunnels and runs tcp iperf fails and results in checksum errors (TcpInCsumErrors). Original commit wanted to fix nf_reject with zero checksum, so it appears better to change nf reject infra instead. Fixes:5bed9f3f63("netfilter: conntrack: mark UDP zero checksum as CHECKSUM_UNNECESSARY") Reported-by: Gal Pressman <gal@nvidia.com> Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.