mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-27 14:43:58 +08:00
54a19b4d3f
There are some ABI documents that, while they don't generate any warnings, they have issues when parsed by get_abi.pl script on its output result. Address them, in order to provide a clean output. Reviewed-by: Tom Rix <trix@redhat.com> # for fpga-manager Reviewed-By: Kajol Jain<kjain@linux.ibm.com> # for sysfs-bus-event_source-devices-hv_gpci and sysfs-bus-event_source-devices-hv_24x7 Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> #for IIO Acked-by: Oded Gabbay <oded.gabbay@gmail.com> # for Habanalabs Acked-by: Vaibhav Jain <vaibhav@linux.ibm.com> # for sysfs-bus-papr-pmem Acked-by: Cezary Rojewski <cezary.rojewski@intel.com> # for catpt Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com> Acked-by: Ilya Dryomov <idryomov@gmail.com> # for rbd Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/5bc78e5b68ed1e9e39135173857cb2e753be868f.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
169 lines
5.3 KiB
Plaintext
169 lines
5.3 KiB
Plaintext
What: /sys/class/net/<iface>/cdc_ncm/min_tx_pkt
|
||
Date: May 2014
|
||
KernelVersion: 3.16
|
||
Contact: Bjørn Mork <bjorn@mork.no>
|
||
Description:
|
||
The driver will pad NCM Transfer Blocks (NTBs) longer
|
||
than this to tx_max, allowing the device to receive
|
||
tx_max sized frames with no terminating short
|
||
packet. NTBs shorter than this limit are transmitted
|
||
as-is, without any padding, and are terminated with a
|
||
short USB packet.
|
||
|
||
Padding to tx_max allows the driver to transmit NTBs
|
||
back-to-back without any interleaving short USB
|
||
packets. This reduces the number of short packet
|
||
interrupts in the device, and represents a tradeoff
|
||
between USB bus bandwidth and device DMA optimization.
|
||
|
||
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
|
||
Contact: Bjørn Mork <bjorn@mork.no>
|
||
Description:
|
||
The maximum NTB size for RX. Cannot exceed the
|
||
maximum value supported by the device. Must allow at
|
||
least one max sized datagram plus headers.
|
||
|
||
The actual limits are device dependent. See
|
||
dwNtbInMaxSize.
|
||
|
||
Note: Some devices will silently ignore changes to
|
||
this value, resulting in oversized NTBs and
|
||
corresponding framing errors.
|
||
|
||
What: /sys/class/net/<iface>/cdc_ncm/tx_max
|
||
Date: May 2014
|
||
KernelVersion: 3.16
|
||
Contact: Bjørn Mork <bjorn@mork.no>
|
||
Description:
|
||
The maximum NTB size for TX. Cannot exceed the
|
||
maximum value supported by the device. Must allow at
|
||
least one max sized datagram plus headers.
|
||
|
||
The actual limits are device dependent. See
|
||
dwNtbOutMaxSize.
|
||
|
||
What: /sys/class/net/<iface>/cdc_ncm/tx_timer_usecs
|
||
Date: May 2014
|
||
KernelVersion: 3.16
|
||
Contact: Bjørn Mork <bjorn@mork.no>
|
||
Description:
|
||
Datagram aggregation timeout in µs. The driver will
|
||
wait up to 3 times this timeout for more datagrams to
|
||
aggregate before transmitting an NTB frame.
|
||
|
||
Valid range: 5 to 4000000
|
||
|
||
Set to 0 to disable aggregation.
|
||
|
||
The following read-only attributes all represent fields of the
|
||
structure defined in section 6.2.1 "GetNtbParameters" of "Universal
|
||
Serial Bus Communications Class Subclass Specifications for Network
|
||
Control Model Devices" (CDC NCM), Revision 1.0 (Errata 1), November
|
||
24, 2010 from USB Implementers Forum, Inc. The descriptions are
|
||
quoted from table 6-3 of CDC NCM: "NTB Parameter Structure".
|
||
|
||
What: /sys/class/net/<iface>/cdc_ncm/bmNtbFormatsSupported
|
||
Date: May 2014
|
||
KernelVersion: 3.16
|
||
Contact: Bjørn Mork <bjorn@mork.no>
|
||
Description:
|
||
- Bit 0: 16-bit NTB supported (set to 1)
|
||
- Bit 1: 32-bit NTB supported
|
||
- Bits 2 – 15: reserved (reset to zero; must be ignored by host)
|
||
|
||
What: /sys/class/net/<iface>/cdc_ncm/dwNtbInMaxSize
|
||
Date: May 2014
|
||
KernelVersion: 3.16
|
||
Contact: Bjørn Mork <bjorn@mork.no>
|
||
Description:
|
||
IN NTB Maximum Size in bytes
|
||
|
||
What: /sys/class/net/<iface>/cdc_ncm/wNdpInDivisor
|
||
Date: May 2014
|
||
KernelVersion: 3.16
|
||
Contact: Bjørn Mork <bjorn@mork.no>
|
||
Description:
|
||
Divisor used for IN NTB Datagram payload alignment
|
||
|
||
What: /sys/class/net/<iface>/cdc_ncm/wNdpInPayloadRemainder
|
||
Date: May 2014
|
||
KernelVersion: 3.16
|
||
Contact: Bjørn Mork <bjorn@mork.no>
|
||
Description:
|
||
Remainder used to align input datagram payload within
|
||
the NTB: (Payload Offset) mod (wNdpInDivisor) =
|
||
wNdpInPayloadRemainder
|
||
|
||
What: /sys/class/net/<iface>/cdc_ncm/wNdpInAlignment
|
||
Date: May 2014
|
||
KernelVersion: 3.16
|
||
Contact: Bjørn Mork <bjorn@mork.no>
|
||
Description:
|
||
NDP alignment modulus for NTBs on the IN pipe. Shall
|
||
be a power of 2, and shall be at least 4.
|
||
|
||
What: /sys/class/net/<iface>/cdc_ncm/dwNtbOutMaxSize
|
||
Date: May 2014
|
||
KernelVersion: 3.16
|
||
Contact: Bjørn Mork <bjorn@mork.no>
|
||
Description:
|
||
OUT NTB Maximum Size
|
||
|
||
What: /sys/class/net/<iface>/cdc_ncm/wNdpOutDivisor
|
||
Date: May 2014
|
||
KernelVersion: 3.16
|
||
Contact: Bjørn Mork <bjorn@mork.no>
|
||
Description:
|
||
OUT NTB Datagram alignment modulus
|
||
|
||
What: /sys/class/net/<iface>/cdc_ncm/wNdpOutPayloadRemainder
|
||
Date: May 2014
|
||
KernelVersion: 3.16
|
||
Contact: Bjørn Mork <bjorn@mork.no>
|
||
Description:
|
||
Remainder used to align output datagram payload
|
||
offsets within the NTB: Padding, shall be transmitted
|
||
as zero by function, and ignored by host. (Payload
|
||
Offset) mod (wNdpOutDivisor) = wNdpOutPayloadRemainder
|
||
|
||
What: /sys/class/net/<iface>/cdc_ncm/wNdpOutAlignment
|
||
Date: May 2014
|
||
KernelVersion: 3.16
|
||
Contact: Bjørn Mork <bjorn@mork.no>
|
||
Description:
|
||
NDP alignment modulus for use in NTBs on the OUT
|
||
pipe. Shall be a power of 2, and shall be at least 4.
|
||
|
||
What: /sys/class/net/<iface>/cdc_ncm/wNtbOutMaxDatagrams
|
||
Date: May 2014
|
||
KernelVersion: 3.16
|
||
Contact: Bjørn Mork <bjorn@mork.no>
|
||
Description:
|
||
Maximum number of datagrams that the host may pack
|
||
into a single OUT NTB. Zero means that the device
|
||
imposes no limit.
|