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b0f82e7ab6
test_tc_edt.sh uses a pair of veth and a BPF program attached to the TX veth to shape the traffic to 5MBps. It then checks that the amount of received bytes (at interface level), compared to the TX duration, indeed matches 5Mbps. Convert this test script to the test_progs framework: - keep the double veth setup, isolated in two veths - run a small tcp server, and connect client to server - push a pre-configured amount of bytes, and measure how much time has been needed to push those - ensure that this rate is in a 2% error margin around the target rate This two percent value, while being tight, is hopefully large enough to not make the test too flaky in CI, while also turning it into a small example of BPF-based shaping. Signed-off-by: Alexis Lothoré (eBPF Foundation) <alexis.lothore@bootlin.com> Link: https://lore.kernel.org/r/20251128-tc_edt-v2-2-26db48373e73@bootlin.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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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.