xref: /dpdk/doc/guides/rel_notes/release_21_05.rst (revision bb07d96d)
1.. SPDX-License-Identifier: BSD-3-Clause
2   Copyright 2021 The DPDK contributors
3
4.. include:: <isonum.txt>
5
6DPDK Release 21.05
7==================
8
9.. **Read this first.**
10
11   The text in the sections below explains how to update the release notes.
12
13   Use proper spelling, capitalization and punctuation in all sections.
14
15   Variable and config names should be quoted as fixed width text:
16   ``LIKE_THIS``.
17
18   Build the docs and view the output file to ensure the changes are correct::
19
20      make doc-guides-html
21      xdg-open build/doc/html/guides/rel_notes/release_21_05.html
22
23
24New Features
25------------
26
27.. This section should contain new features added in this release.
28   Sample format:
29
30   * **Add a title in the past tense with a full stop.**
31
32     Add a short 1-2 sentence description in the past tense.
33     The description should be enough to allow someone scanning
34     the release notes to understand the new feature.
35
36     If the feature adds a lot of sub-features you can use a bullet list
37     like this:
38
39     * Added feature foo to do something.
40     * Enhanced feature bar to do something else.
41
42     Refer to the previous release notes for examples.
43
44     Suggested order in release notes items:
45     * Core libs (EAL, mempool, ring, mbuf, buses)
46     * Device abstraction libs and PMDs
47       - ethdev (lib, PMDs)
48       - cryptodev (lib, PMDs)
49       - eventdev (lib, PMDs)
50       - etc
51     * Other libs
52     * Apps, Examples, Tools (if significant)
53
54     This section is a comment. Do not overwrite or remove it.
55     Also, make sure to start the actual text at the margin.
56     =======================================================
57
58* **Updated Hisilicon hns3 driver.**
59
60  * Added support for module EEPROM dumping.
61  * Added support for freeing Tx mbuf on demand.
62  * Added support for copper port in Kunpeng930.
63
64* **Updated NXP DPAA driver.**
65
66  * Added support for shared ethernet interface.
67  * Added support for external buffers in Tx.
68
69* **Updated NXP DPAA2 driver.**
70
71  * Added support for traffic management.
72  * Added support for configurable Tx confirmation.
73  * Added support for external buffers in Tx.
74
75* **Updated Wangxun txgbe driver.**
76
77  * Added support for txgbevf PMD.
78
79* **Updated the AF_XDP driver.**
80
81  * Added support for preferred busy polling.
82
83* **Updated testpmd.**
84
85  * Added a command line option to configure forced speed for Ethernet port.
86    ``dpdk-testpmd -- --eth-link-speed N``
87  * Added command to display Rx queue used descriptor count.
88    ``show port (port_id) rxq (queue_id) desc used count``
89
90
91Removed Items
92-------------
93
94.. This section should contain removed items in this release. Sample format:
95
96   * Add a short 1-2 sentence description of the removed item
97     in the past tense.
98
99   This section is a comment. Do not overwrite or remove it.
100   Also, make sure to start the actual text at the margin.
101   =======================================================
102
103
104API Changes
105-----------
106
107.. This section should contain API changes. Sample format:
108
109   * sample: Add a short 1-2 sentence description of the API change
110     which was announced in the previous releases and made in this release.
111     Start with a scope label like "ethdev:".
112     Use fixed width quotes for ``function_names`` or ``struct_names``.
113     Use the past tense.
114
115   This section is a comment. Do not overwrite or remove it.
116   Also, make sure to start the actual text at the margin.
117   =======================================================
118
119
120ABI Changes
121-----------
122
123.. This section should contain ABI changes. Sample format:
124
125   * sample: Add a short 1-2 sentence description of the ABI change
126     which was announced in the previous releases and made in this release.
127     Start with a scope label like "ethdev:".
128     Use fixed width quotes for ``function_names`` or ``struct_names``.
129     Use the past tense.
130
131   This section is a comment. Do not overwrite or remove it.
132   Also, make sure to start the actual text at the margin.
133   =======================================================
134
135* No ABI change that would break compatibility with 20.11.
136
137
138Known Issues
139------------
140
141.. This section should contain new known issues in this release. Sample format:
142
143   * **Add title in present tense with full stop.**
144
145     Add a short 1-2 sentence description of the known issue
146     in the present tense. Add information on any known workarounds.
147
148   This section is a comment. Do not overwrite or remove it.
149   Also, make sure to start the actual text at the margin.
150   =======================================================
151
152
153Tested Platforms
154----------------
155
156.. This section should contain a list of platforms that were tested
157   with this release.
158
159   The format is:
160
161   * <vendor> platform with <vendor> <type of devices> combinations
162
163     * List of CPU
164     * List of OS
165     * List of devices
166     * Other relevant details...
167
168   This section is a comment. Do not overwrite or remove it.
169   Also, make sure to start the actual text at the margin.
170   =======================================================
171