netdev - [PATCH net-next 2/2] Documentation: ABI: sysfs-class-net-qmi: document tx aggregation files

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Message-Id: <20221019132503.6783-3-dnlplm@gmail.com>
Date:   Wed, 19 Oct 2022 15:25:03 +0200
From:   Daniele Palmas <dnlplm@...il.com>
To:     Bjørn Mork <bjorn@...k.no>,
        David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Eric Dumazet <edumazet@...gle.com>
Cc:     linux-usb@...r.kernel.org, netdev@...r.kernel.org,
        Daniele Palmas <dnlplm@...il.com>
Subject: [PATCH net-next 2/2] Documentation: ABI: sysfs-class-net-qmi: document tx aggregation files

Add documentation for:

/sys/class/net/<iface>/qmi/tx_max_datagrams_mux
/sys/class/net/<iface>/qmi/tx_max_size_mux

related to the qmap tx aggregation feature.

Signed-off-by: Daniele Palmas <dnlplm@...il.com>
---
 Documentation/ABI/testing/sysfs-class-net-qmi | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-class-net-qmi b/Documentation/ABI/testing/sysfs-class-net-qmi
index 47e6b9732337..9c69ffa64b51 100644
--- a/Documentation/ABI/testing/sysfs-class-net-qmi
+++ b/Documentation/ABI/testing/sysfs-class-net-qmi
@@ -74,3 +74,31 @@ Description:
 
 		'Pass-through' mode can be enabled when the device is in
 		'raw-ip' mode only.
+
+What:		/sys/class/net/<iface>/qmi/tx_max_datagrams_mux
+Date:		October 2022
+KernelVersion:	6.2
+Contact:	Daniele Palmas <dnlplm@...il.com>
+Description:
+		Unsigned integer. Default: 1, meaning tx aggregation disabled
+
+		The maximum number of QMAP aggregated tx packets.
+
+		This value is returned by the modem when calling the QMI request
+		wda set data format with QMAP tx aggregation enabled: userspace
+		should take care of setting the returned value to this file.
+
+What:		/sys/class/net/<iface>/qmi/tx_max_size_mux
+Date:		October 2022
+KernelVersion:	6.2
+Contact:	Daniele Palmas <dnlplm@...il.com>
+Description:
+		Unsigned integer
+
+		The maximum size in bytes of a block of QMAP aggregated tx packets.
+
+		This value is returned by the modem when calling the QMI request
+		wda set data format with QMAP tx aggregation enabled: userspace
+		should take care of setting the returned value to this file.
+
+		This value is not considered if tx_aggregation is disabled.
-- 
2.37.1