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91350fe152
Currently, attaching BPF_PROG_TYPE_FLOW_DISSECTOR programs completely replaces the flow-dissector logic with custom dissection logic. This forces implementors to write programs that handle dissection for any flows expected in the namespace. It makes sense for flow-dissector BPF programs to just augment the dissector with custom logic (e.g. dissecting certain flows or custom protocols), while enjoying the broad capabilities of the standard dissector for any other traffic. Introduce BPF_FLOW_DISSECTOR_CONTINUE retcode. Flow-dissector BPF programs may return this to indicate no dissection was made, and fallback to the standard dissector is requested. Signed-off-by: Shmulik Ladkani <shmulik.ladkani@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Stanislav Fomichev <sdf@google.com> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/bpf/20220821113519.116765-3-shmulik.ladkani@gmail.com |
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| drivers | ||
| fs | ||
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| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
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| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
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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.
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.