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Documentation/bpf: Use valid and new links in index.rst

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There exists an error "404 Not Found" when I click the html link of
"Documentation/networking/filter.rst" in the BPF documentation [1],
fix it.

Additionally, use the new links about "BPF and XDP Reference Guide"
and "bpf(2)" to avoid redirects.

[1] https://www.kernel.org/doc/html/latest/bpf/

Fixes: d9b9170a2653 ("docs: bpf: Rename README.rst to index.rst")
Fixes: cb3f0d56e153 ("docs: networking: convert filter.txt to ReST")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/1596184142-18476-1-git-send-email-yangtiezhu@loongson.cn
This commit is contained in:
Tiezhu Yang 2020-07-31 16:29:02 +08:00 committed by Daniel Borkmann
parent 1acf8f90ea
commit ffba964e4d
2 changed files with 8 additions and 6 deletions
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10
Documentation/bpf/index.rst
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@ -7,8 +7,8 @@ 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.rst`_, which describe both classical
and extended BPF instruction-set.
:ref:`networking-filter`, 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.
@ -68,7 +68,7 @@ Testing and debugging BPF
.. Links:
.. _Documentation/networking/filter.rst: ../networking/filter.txt
.. _networking-filter: ../networking/filter.rst
.. _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/
.. _bpf(2): https://man7.org/linux/man-pages/man2/bpf.2.html
.. _BPF and XDP Reference Guide: https://docs.cilium.io/en/latest/bpf/

2
Documentation/networking/filter.rst
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@ -1,5 +1,7 @@
.. SPDX-License-Identifier: GPL-2.0
.. _networking-filter:
=======================================================
Linux Socket Filtering aka Berkeley Packet Filter (BPF)
=======================================================