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Message-Id: <20230117085947.2176464-6-vladimir.oltean@nxp.com>
Date: Tue, 17 Jan 2023 10:59:40 +0200
From: Vladimir Oltean <vladimir.oltean@....com>
To: netdev@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Michal Kubecek <mkubecek@...e.cz>,
Claudiu Manoil <claudiu.manoil@....com>,
Vinicius Costa Gomes <vinicius.gomes@...el.com>,
Xiaoliang Yang <xiaoliang.yang_1@....com>,
Kurt Kanzenbach <kurt@...utronix.de>,
Rui Sousa <rui.sousa@....com>,
Ferenc Fejes <ferenc.fejes@...csson.com>,
Pranavi Somisetty <pranavi.somisetty@....com>,
Harini Katakam <harini.katakam@....com>,
Colin Foster <colin.foster@...advantage.com>,
UNGLinuxDriver@...rochip.com,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Andrew Lunn <andrew@...n.ch>,
Florian Fainelli <f.fainelli@...il.com>
Subject: [PATCH v3 net-next 05/12] docs: ethtool: document ETHTOOL_A_STATS_SRC and ETHTOOL_A_PAUSE_STATS_SRC
Two new netlink attributes were added to PAUSE_GET and STATS_GET and
their replies. Document them.
Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
v2->v3:
- adapt to renaming of constants
- add a single kernel-doc reference to enum ethtool_mac_stats_src
(second one gives warning apparently)
v1->v2: patch is new
Documentation/networking/ethtool-netlink.rst | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/Documentation/networking/ethtool-netlink.rst b/Documentation/networking/ethtool-netlink.rst
index 31413535dce5..1626e863eec9 100644
--- a/Documentation/networking/ethtool-netlink.rst
+++ b/Documentation/networking/ethtool-netlink.rst
@@ -1092,8 +1092,18 @@ Request contents:
===================================== ====== ==========================
``ETHTOOL_A_PAUSE_HEADER`` nested request header
+ ``ETHTOOL_A_PAUSE_STATS_SRC`` u32 source of statistics
===================================== ====== ==========================
+``ETHTOOL_A_PAUSE_STATS_SRC`` is optional. It takes values from:
+
+.. kernel-doc:: include/uapi/linux/ethtool.h
+ :identifiers: ethtool_mac_stats_src
+
+If absent from the request, stats will be provided with
+an ``ETHTOOL_A_PAUSE_STATS_SRC`` attribute in the response equal to
+``ETHTOOL_MAC_STATS_SRC_AGGREGATE``.
+
Kernel response contents:
===================================== ====== ==========================
@@ -1508,6 +1518,7 @@ Request contents:
======================================= ====== ==========================
``ETHTOOL_A_STATS_HEADER`` nested request header
+ ``ETHTOOL_A_STATS_SRC`` u32 source of statistics
``ETHTOOL_A_STATS_GROUPS`` bitset requested groups of stats
======================================= ====== ==========================
@@ -1516,6 +1527,8 @@ Kernel response contents:
+-----------------------------------+--------+--------------------------------+
| ``ETHTOOL_A_STATS_HEADER`` | nested | reply header |
+-----------------------------------+--------+--------------------------------+
+ | ``ETHTOOL_A_STATS_SRC`` | u32 | source of statistics |
+ +-----------------------------------+--------+--------------------------------+
| ``ETHTOOL_A_STATS_GRP`` | nested | one or more group of stats |
+-+---------------------------------+--------+--------------------------------+
| | ``ETHTOOL_A_STATS_GRP_ID`` | u32 | group ID - ``ETHTOOL_STATS_*`` |
@@ -1577,6 +1590,11 @@ Low and high bounds are inclusive, for example:
etherStatsPkts512to1023Octets 512 1023
============================= ==== ====
+``ETHTOOL_A_STATS_SRC`` is optional. Similar to ``PAUSE_GET``, it takes values
+from ``enum ethtool_mac_stats_src``. If absent from the request, stats will be
+provided with an ``ETHTOOL_A_STATS_SRC`` attribute in the response equal to
+``ETHTOOL_MAC_STATS_SRC_AGGREGATE``.
+
PHC_VCLOCKS_GET
===============
--
2.34.1
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