netdev - [PATCH bpf-next v3] Documentation/bpf: Use valid and new links in index.rst

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Message-Id: <1596184142-18476-1-git-send-email-yangtiezhu@loongson.cn>
Date:   Fri, 31 Jul 2020 16:29:02 +0800
From:   Tiezhu Yang <yangtiezhu@...ngson.cn>
To:     Jonathan Corbet <corbet@....net>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>
Cc:     Martin KaFai Lau <kafai@...com>, Song Liu <songliubraving@...com>,
        Yonghong Song <yhs@...com>, Andrii Nakryiko <andriin@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...omium.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        "Tobin C. Harding" <me@...in.cc>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        linux-doc@...r.kernel.org, netdev@...r.kernel.org,
        bpf@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH bpf-next v3] 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: d9b9170a2653 ("docs: bpf: Rename README.rst to index.rst")
Fixes: cb3f0d56e153 ("docs: networking: convert filter.txt to ReST")
Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>
---
 Documentation/bpf/index.rst         | 12 ++++++------
 Documentation/networking/filter.rst |  2 ++
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/Documentation/bpf/index.rst b/Documentation/bpf/index.rst
index 26f4bb3..44ca8ea 100644
--- a/Documentation/bpf/index.rst
+++ b/Documentation/bpf/index.rst
@@ -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/
diff --git a/Documentation/networking/filter.rst b/Documentation/networking/filter.rst
index a1d3e19..debb59e 100644
--- a/Documentation/networking/filter.rst
+++ b/Documentation/networking/filter.rst
@@ -1,5 +1,7 @@
 .. SPDX-License-Identifier: GPL-2.0
 
+.. _networking-filter:
+
 =======================================================
 Linux Socket Filtering aka Berkeley Packet Filter (BPF)
 =======================================================
-- 
2.1.0