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This commits adds a document that explains how to test BPF in an s390 QEMU guest. Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20191029172916.36528-1-iii@linux.ibm.com
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=================
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BPF Documentation
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=================
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This directory contains documentation for the BPF (Berkeley Packet
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Filter) facility, with a focus on the extended BPF version (eBPF).
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This kernel side documentation is still work in progress. The main
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textual documentation is (for historical reasons) described in
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`Documentation/networking/filter.txt`_, which describe both classical
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and extended BPF instruction-set.
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The Cilium project also maintains a `BPF and XDP Reference Guide`_
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that goes into great technical depth about the BPF Architecture.
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The primary info for the bpf syscall is available in the `man-pages`_
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for `bpf(2)`_.
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BPF Type Format (BTF)
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=====================
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.. toctree::
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:maxdepth: 1
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btf
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Frequently asked questions (FAQ)
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================================
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Two sets of Questions and Answers (Q&A) are maintained.
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.. toctree::
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:maxdepth: 1
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bpf_design_QA
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bpf_devel_QA
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Program types
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=============
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.. toctree::
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:maxdepth: 1
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prog_cgroup_sockopt
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prog_cgroup_sysctl
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prog_flow_dissector
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Testing BPF
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===========
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.. toctree::
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:maxdepth: 1
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s390
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.. Links:
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.. _Documentation/networking/filter.txt: ../networking/filter.txt
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.. _man-pages: https://www.kernel.org/doc/man-pages/
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.. _bpf(2): http://man7.org/linux/man-pages/man2/bpf.2.html
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.. _BPF and XDP Reference Guide: http://cilium.readthedocs.io/en/latest/bpf/
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