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doc: Add link to bpf helpers man page 

The bpf-helpers(7) man pages provide an invaluable description of the
functions that an eBPF program can call at runtime. Link them here.

Signed-off-by: Joe Stringer <joe@wand.net.nz>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20200813180807.2821735-1-joe@wand.net.nz
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Joe Stringer 2020-08-13 11:08:07 -07:00 committed by Daniel Borkmann
parent 9efa9e4997
commit a62f68c172
1 changed files with 7 additions and 0 deletions
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Documentation/bpf/index.rst
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@ -36,6 +36,12 @@ Two sets of Questions and Answers (Q&A) are maintained.
bpf_devel_QA
Helper functions
================
* `bpf-helpers(7)`_ maintains a list of helpers available to eBPF programs.
Program types
=============
@ -79,4 +85,5 @@ Other
.. _networking-filter: ../networking/filter.rst
.. _man-pages: https://www.kernel.org/doc/man-pages/
.. _bpf(2): https://man7.org/linux/man-pages/man2/bpf.2.html
.. _bpf-helpers(7): https://man7.org/linux/man-pages/man7/bpf-helpers.7.html
.. _BPF and XDP Reference Guide: https://docs.cilium.io/en/latest/bpf/