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| author | Bjørn Mork <bjorn@mork.no> | 2015-12-06 22:47:15 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-12-06 22:52:18 -0500 |
| commit | 404814af69d4732276319b90886b81fb2884ae1b (patch) | |
| tree | 7012fb9c36f6906199489ab78359f69372cef3a9 /Documentation/ABI | |
| parent | 0fe3e204168fbdbcbb5cd461739621e5e6f9016c (diff) | |
| download | linux-stable-404814af69d4732276319b90886b81fb2884ae1b.tar.gz linux-stable-404814af69d4732276319b90886b81fb2884ae1b.tar.bz2 linux-stable-404814af69d4732276319b90886b81fb2884ae1b.zip | |
net: cdc_ncm: add "ndp_to_end" sysfs attribute
Adding a writable sysfs attribute for the "NDP to end"
quirk flag.
This makes it easier for end users to test new devices for
this firmware bug. We've been lucky so far, but we should
not depend on reporters capable of rebuilding the driver.
Cc: Enrico Mioso <mrkiko.rs@gmail.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-net-cdc_ncm | 19 |
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 |