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

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: d9b9170a26 ("docs: bpf: Rename README.rst to index.rst")
Fixes: cb3f0d56e1 ("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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@ -5,10 +5,10 @@ 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
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/

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