Hi Németh, 2011/6/29 David Chang <[email protected]>: > Hi, > > Thanks for your great effort. > Just a little comment on UNLINK pdu size. > > 2011/6/28 Németh Márton <[email protected]>: >> From: Márton Németh <[email protected]> >> >> USBIP v1.0.0 protocol documentation. >> >> Signed-off-by: Márton Németh <[email protected]> >> --- >> +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 > >> >> _______________________________________________ >> devel mailing list >> [email protected] >> http://driverdev.linuxdriverproject.org/mailman/listinfo/devel >> > _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
