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ed07d9a021
This patch enables the clash resolution for NAT (disabled in "590b52e10d41") if clashing conntracks match (i.e. both tuples are equal) and a protocol allows it. The clash might happen for a connections-less protocol (e.g. UDP) when two threads in parallel writes to the same socket and consequent calls to "get_unique_tuple" return the same tuples (incl. reply tuples). In this case it is safe to perform the resolution, as the losing CT describes the same mangling as the winning CT, so no modifications to the packet are needed, and the result of rules traversal for the loser's packet stays valid. Signed-off-by: Martynas Pumputis <martynas@weave.works> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| README | ||
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.
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.