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7828a4d3f6
Meghana Malladi says: ==================== Add AF_XDP zero copy support This series adds AF_XDP zero coppy support to icssg driver. Tests were performed on AM64x-EVM with xdpsock application [1]. A clear improvement is seen Transmit (txonly) and receive (rxdrop) for 64 byte packets. 1500 byte test seems to be limited by line rate (1G link) so no improvement seen there in packet rate Having some issue with l2fwd as the benchmarking numbers show 0 for 64 byte packets after forwading first batch packets and I am currently looking into it. AF_XDP performance using 64 byte packets in Kpps. AF_XDP performance using 64 byte packets in Kpps. Benchmark: XDP-SKB XDP-Native XDP-Native(ZeroCopy) rxdrop 253 473 656 txonly 350 354 855 l2fwd 178 240 0 AF_XDP performance using 1500 byte packets in Kpps. Benchmark: XDP-SKB XDP-Native XDP-Native(ZeroCopy) rxdrop 82 82 82 txonly 81 82 82 l2fwd 81 82 82 [1]: https://github.com/xdp-project/bpf-examples/tree/master/AF_XDP-example v5: https://lore.kernel.org/all/20251111101523.3160680-1-m-malladi@ti.com/ ==================== Link: https://patch.msgid.link/20251118135542.380574-1-m-malladi@ti.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.