Hi Németh,
2011/6/29 David Chang <dchang@xxxxxxxxxx>:
> Hi,
>
> Thanks for your great effort.
> Just a little comment on UNLINK pdu size.
>
> 2011/6/28 Németh Márton <nm127@xxxxxxxxxxx>:
>> From: Márton Németh <nm127@xxxxxxxxxxx>
>>
>> USBIP v1.0.0 protocol documentation.
>>
>> Signed-off-by: Márton Németh <nm127@xxxxxxxxxxx>
>> ---
>> +USBIP_CMD_UNLINK: Unlink an URB
>> +
>> + Offset | Length | Value | Meaning
>> +-----------+--------+------------+---------------------------------------------------
>> + 0 | 4 | 0x00000003 | command: URB unlink command
>> +-----------+--------+------------+---------------------------------------------------
>> + 4 | 4 | | seqnum: URB sequence number to unlink: FIXME: is this so?
>> +-----------+--------+------------+---------------------------------------------------
>> + 8 | 4 | | devid
>> +-----------+--------+------------+---------------------------------------------------
>> + 0xC | 4 | | direction: 0: USBIP_DIR_IN
>> + | | | 1: USBIP_DIR_OUT
>> +-----------+--------+------------+---------------------------------------------------
>> + 0x10 | 4 | | ep: endpoint number: zero
>> +-----------+--------+------------+---------------------------------------------------
>> + 0x14 | 4 | | seqnum: the URB sequence number given previously
>> + | | | at USBIP_CMD_SUBMIT.seqnum field
-----------+--------+------------+---------------------------------------------------
0x30 | n | | URB data bytes. For ISO
transfers the padding
| | | between each ISO
packets is not transmitted.
>> +
>> +USBIP_RET_UNLINK: Reply for URB unlink
>> +
>> + Offset | Length | Value | Meaning
>> +-----------+--------+------------+---------------------------------------------------
>> + 0 | 4 | 0x00000004 | command: reply for the URB unlink command
>> +-----------+--------+------------+---------------------------------------------------
>> + 4 | 4 | | seqnum: the unlinked URB sequence number
>> +-----------+--------+------------+---------------------------------------------------
>> + 8 | 4 | | devid
>> +-----------+--------+------------+---------------------------------------------------
>> + 0xC | 4 | | direction: 0: USBIP_DIR_IN
>> + | | | 1: USBIP_DIR_OUT
>> +-----------+--------+------------+---------------------------------------------------
>> + 0x10 | 4 | | ep: endpoint number
>> +-----------+--------+------------+---------------------------------------------------
>> + 0x14 | 4 | | status: This is the value contained in the
>> + | | | urb->status in the URB completition handler.
>> + | | | FIXME: a better explanation needed.
-----------+--------+------------+---------------------------------------------------
0x30 | n | | URB data bytes. For ISO
transfers the padding
| | | between each ISO
packets is not transmitted.
Would you add this field into your path or should I send another patch
to add it?
Thanks.
Regards,
David Chang
>
> Regards,
> David Chang
>
>>
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>
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