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Ido Schimmel says: ==================== net: fib_rules: Add flow label selector support In some deployments users would like to encode path information into certain bits of the IPv6 flow label, the UDP source port and the DSCP and use this information to route packets accordingly. Redirecting traffic to a routing table based on the flow label is not currently possible with Linux as FIB rules cannot match on it despite the flow label being available in the IPv6 flow key. This patchset extends FIB rules to match on the flow label with a mask. Future patches will add mask attributes to L4 ports and DSCP matches. Patches #1-#5 gradually extend FIB rules to match on the flow label. Patches #6-#7 allow user space to specify a flow label in route get requests. This is useful for both debugging and testing. Patch #8 adjusts the fib6_table_lookup tracepoint to print the flow label to the trace buffer for better observability. Patch #9 extends the FIB rule selftest with flow label test cases while utilizing the route get functionality from patch #6. ==================== Link: https://patch.msgid.link/20241216171201.274644-1-idosch@nvidia.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
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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 reStructuredText 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.