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| /openbmc/linux/drivers/net/usb/ |
| H A D | huawei_cdc_ncm.c | diff c2a6c7813f1ffae636e369b5d7011c9f518d3cd9 Thu Jul 17 06:34:09 CDT 2014 Bjørn Mork <bjorn@mork.no> net: huawei_cdc_ncm: add "subclass 3" devices
Huawei's usage of the subclass and protocol fields is not 100%
clear to us, but there appears to be a very strict system.
A device with the "shared" device ID 12d1:1506 and this NCM
function was recently reported (showing only default altsetting):
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 3
bInterfaceProtocol 22
iInterface 8 CDC Network Control Model (NCM)
** UNRECOGNIZED: 05 24 00 10 01
** UNRECOGNIZED: 06 24 1a 00 01 1f
** UNRECOGNIZED: 0c 24 1b 00 01 00 04 10 14 dc 05 20
** UNRECOGNIZED: 0d 24 0f 0a 0f 00 00 00 ea 05 03 00 01
** UNRECOGNIZED: 05 24 06 01 01
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x85 EP 5 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0010 1x 16 bytes
bInterval 9
Cc: Enrico Mioso <mrkiko.rs@gmail.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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