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diff --git a/Documentation/bpf/index.rst b/Documentation/bpf/index.rst new file mode 100644 index 000000000000..b9a80c9e9392 --- /dev/null +++ b/Documentation/bpf/index.rst @@ -0,0 +1,36 @@ +================= +BPF documentation +================= + +This directory contains documentation for the BPF (Berkeley Packet +Filter) facility, with a focus on the extended BPF version (eBPF). + +This kernel side documentation is still work in progress. The main +textual documentation is (for historical reasons) described in +`Documentation/networking/filter.txt`_, which describe both classical +and extended BPF instruction-set. +The Cilium project also maintains a `BPF and XDP Reference Guide`_ +that goes into great technical depth about the BPF Architecture. + +The primary info for the bpf syscall is available in the `man-pages`_ +for `bpf(2)`_. + + + +Frequently asked questions (FAQ) +================================ + +Two sets of Questions and Answers (Q&A) are maintained. + +* QA for common questions about BPF see: bpf_design_QA_ + +* QA for developers interacting with BPF subsystem: bpf_devel_QA_ + + +.. Links: +.. _bpf_design_QA: bpf_design_QA.rst +.. _bpf_devel_QA: bpf_devel_QA.rst +.. _Documentation/networking/filter.txt: ../networking/filter.txt +.. _man-pages: https://www.kernel.org/doc/man-pages/ +.. _bpf(2): http://man7.org/linux/man-pages/man2/bpf.2.html +.. _BPF and XDP Reference Guide: http://cilium.readthedocs.io/en/latest/bpf/ |