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-rw-r--r--Documentation/ABI/testing/sysfs-class-net-cdc_ncm19
1 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-net-cdc_ncm b/Documentation/ABI/testing/sysfs-class-net-cdc_ncm
index 5cedf72df358..f7be0e88b139 100644
--- a/Documentation/ABI/testing/sysfs-class-net-cdc_ncm
+++ b/Documentation/ABI/testing/sysfs-class-net-cdc_ncm
@@ -19,6 +19,25 @@ Description:
Set to 0 to pad all frames. Set greater than tx_max to
disable all padding.
+What: /sys/class/net/<iface>/cdc_ncm/ndp_to_end
+Date: Dec 2015
+KernelVersion: 4.5
+Contact: Bjørn Mork <bjorn@mork.no>
+Description:
+ Boolean attribute showing the status of the "NDP to
+ end" quirk. Defaults to 'N', except for devices
+ already known to need it enabled.
+
+ The "NDP to end" quirk makes the driver place the NDP
+ (the packet index table) after the payload. The NCM
+ specification does not mandate this, but some devices
+ are known to be more restrictive. Write 'Y' to this
+ attribute for temporary testing of a suspect device
+ failing to work with the default driver settings.
+
+ A device entry should be added to the driver if this
+ quirk is found to be required.
+
What: /sys/class/net/<iface>/cdc_ncm/rx_max
Date: May 2014
KernelVersion: 3.16